Madharasi

• Sivakarthikeyan
• Biju Menon
• Vidyut Jammwal
• Rukmini Vasanth
• Vikranth
• Shabeer Kallarakkal
• Prem Kumar
• Sanjay{{Cite Instagram |postid=C6_BZPBJzZu |user=jayatvofficial |title=Sanjay Interview {{!}} SK 23 EXCLUSIVE UPDATE ! 😍 {{!}} Aranmanai 4 {{!}} Jaya Tv |author=Jaya TV |author-link=Jaya TV |date=15 May 2024 |access-date=23 February 2025 |archive-url=https://ghostarchive.org/archive/YPTAg?wr=false |archive-date=23 February 2025 |url-status=live}}{{cbignore}}
• Sachana Namidass{{Cite tweet |number=1807069748007678158 |user=MovieTamil4 |title="#Sachana", who played the daughter of the #VijaySethupathi in #Maharaja, is now playing the sister of SK in the #Sivakarthikeyan starrer #SK23. |author=Movie Tamil |date=29 June 2024 |access-date=29 June 2024 |archive-url=https://archive.ph/jN1JZ |archive-date=14 April 2025 |url-status=live}}

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In December 2020, director AR Murugadoss reportedly met Sivakarthikeyan and discussed about a potential collaboration.{{Cite news |date=31 December 2020 |title=AR Murugadoss meets Sivakarthikeyan; duo in talks for a new project? |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/ar-murugadoss-meets-sivakarthikeyan-duo-in-talks-for-a-new-project/articleshow/79853192.cms |url-status=live |archive-url=https://web.archive.org/web/20230602185432/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/ar-murugadoss-meets-sivakarthikeyan-duo-in-talks-for-a-new-project/articleshow/79853192.cms |archive-date=2 June 2023 |access-date=14 February 2024 |work=The Times of India}} After no updates about the film being progressed, it was then reported that production would begin sometime in 2023, as Sivakarthikeyan had completed most of his prior commitments.{{Cite news |date=23 January 2023 |title=Sivakarthikeyan to team up with AR Murugadoss? |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-to-team-up-with-ar-murugadoss/articleshow/97240899.cms |url-status=live |archive-url=https://web.archive.org/web/20230524111155/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-to-team-up-with-ar-murugadoss/articleshow/97240899.cms |archive-date=24 May 2023 |access-date=15 February 2024 |work=The Times of India}} In March 2023, at the audio launch of Murugadoss' production venture 16 August 1947 (2023), Sivakarthikeyan hinted about his collaboration with the director,{{Cite news |date=28 March 2023 |title=Sivakarthikeyan hints about his collaboration with AR Murugadoss |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-hints-about-his-collaboration-with-ar-murugadoss/articleshow/99051956.cms |url-status=live |archive-url=https://web.archive.org/web/20230418043616/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-hints-about-his-collaboration-with-ar-murugadoss/articleshow/99051956.cms |archive-date=18 April 2023 |access-date=25 September 2023 |work=The Times of India}} while Murugadoss then officially confirmed the project later that month.{{Cite news |date=29 March 2023 |title=Sivakarthikeyan in AR Murugadoss's action entertainer |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-in-ar-murugadosss-action-entertainer/articleshow/99085047.cms |url-status=live |archive-url=https://web.archive.org/web/20240223141742/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-in-ar-murugadosss-action-entertainer/articleshow/99085047.cms |archive-date=23 February 2024 |access-date=25 September 2023 |work=The Times of India}} The project is funded by N. Srilakshmi Prasad under Sri Lakshmi Movies in their maiden production venture, as the company had previously distributed Telugu and Tamil films.{{Cite news |date=14 February 2024 |title=Sivakarthikeyan's 'SK23' with AR Murugadoss begins with an pooja |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyans-sk23-with-ar-murugadoss-begins-with-an-official-pooja/articleshow/107683674.cms |url-status=live |archive-url=https://web.archive.org/web/20240214140710/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyans-sk23-with-ar-murugadoss-begins-with-an-official-pooja/articleshow/107683674.cms |archive-date=14 February 2024 |access-date=15 February 2024 |work=The Times of India}} The company made a public announcement on 25 September 2023, coinciding with Murugadoss' birthday and tentatively titled SKxARM and SK23,{{Cite tweet |number=1706199787396300919 |user=siva_kartikeyan |title=Dear @ARMurugadoss sir, Wishing you a very happy birthday sir 😊👍 Sir I'm extremely delighted to join with you for my 23rd film and I'm double delighted after listening to your narration. This film is going to be very special for me in all aspects and I can't wait to start filming 😊 Thank you so much sir and once again happy happy birthday sir ❤️🤗 - Sivakarthikeyan #SKxARM #SK23 |author=Sivakarthikeyan |author-link=Sivakarthikeyan |access-date=17 February 2025 |archive-url=https://archive.today/20250217010147/https://x.com/siva_kartikeyan/status/1706199787396300919 |archive-date=17 February 2025 |url-status=live}}{{Cite web |date=25 September 2023 |title=Sivakarthikeyan Teams Up with AR Murugadoss for 'SK23' |url=https://www.filmcompanion.in/news/sivakarthikeyan-teams-up-with-ar-murugadoss-for-sk23 |url-status=live |archive-url=https://web.archive.org/web/20231009025248/https://www.filmcompanion.in/news/sivakarthikeyan-teams-up-with-ar-murugadoss-for-sk23 |archive-date=9 October 2023 |access-date=16 February 2025 |website=Film Companion South |language=en}} and the official title, Madharasi, was announced on 17 February 2025, coinciding with Sivakarthikeyan's birthday.{{Cite web |last=Rai |first=Anisha |date=17 February 2025 |title=Sivakarthikeyan, Murugadoss's film titled Madharasi, 1st look out on actor's birthday |url=https://www.indiatoday.in/movies/regional-cinema/story/sivakarthikeyan-murugadosss-film-titled-madharasi-1st-look-out-2681167-2025-02-17 |url-status=live |archive-url=https://web.archive.org/web/20250217073113/https://www.indiatoday.in/movies/regional-cinema/story/sivakarthikeyan-murugadosss-film-titled-madharasi-1st-look-out-2681167-2025-02-17 |archive-date=17 February 2025 |access-date=17 February 2025 |website=India Today |language=en}}

The project marks Sivakarthikeyan and Murugadoss's second collaboration, after the former's Tamil debut with Marina (2012), as Murugadoss previously worked as producer and co-writer in the Sivakarthikeyan-starrer Maan Karate (2014). But before the actor entered the industry, he hosted the audio launch for Murugadoss' directorial film 7 Aum Arivu (2011) and the director's production venture Engaeyum Eppothum at a similar event in the same year.{{Cite news |date=25 September 2023 |title=It's official: Sivakarthikeyan next 'SK23' with AR Murugadoss |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/its-official-sivakarthikeyan-next-sk23-with-ar-murugadoss/articleshow/103925260.cms |url-status=live |archive-url=https://web.archive.org/web/20230925160020/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/its-official-sivakarthikeyan-next-sk23-with-ar-murugadoss/articleshow/103925260.cms |archive-date=25 September 2023 |access-date=25 September 2023 |work=The Times of India}} A source from The Times of India reported that Murugadoss had written the script long ago, and it was supposedly narrated for Shah Rukh Khan, which did not materialise.{{Cite news |date=24 September 2023 |title=Did you know AR Murgadoss's upcoming film with Sivakarthikeyan was initially planned with Shah Rukh Khan? |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/did-you-know/did-you-know-ar-murgadosss-upcoming-film-with-sivakarthikeyan-was-initially-planned-with-shah-rukh-khan/articleshow/103906317.cms |url-status=live |archive-url=https://web.archive.org/web/20230928102438/https://timesofindia.indiatimes.com/entertainment/tamil/movies/did-you-know/did-you-know-ar-murgadosss-upcoming-film-with-sivakarthikeyan-was-initially-planned-with-shah-rukh-khan/articleshow/103906317.cms |archive-date=28 September 2023 |access-date=16 February 2025 |work=The Times of India}} It was described as a fast-paced action film with an "interesting" screenplay similar to Ghajini (2005) and would also have a surprise element in the story.{{Cite news |last=Suganth |first=M |date=16 February 2024 |title=Sivakarthikeyan is attending workshop on body language for our action film: Murugadoss |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-to-attend-workshop-on-body-language-for-action-film-murugadoss/articleshow/107738874.cms |url-status=live |archive-url=https://web.archive.org/web/20240227055750/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-to-attend-workshop-on-body-language-for-action-film-murugadoss/articleshow/107738874.cms |archive-date=27 February 2024 |access-date=16 February 2025 |work=The Times of India}}

Murugadoss initially planned to direct a Hindi film which would involve extensive visual effects, and a graphics studio was reported to fund the project.{{Cite news |date=19 October 2021 |title=AR Murugadoss begins the graphic work for his next directorial |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/ar-murugadoss-begins-the-graphic-work-for-his-next-directorial/articleshow/87132541.cms |url-status=live |archive-url=https://web.archive.org/web/20240615202401/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/ar-murugadoss-begins-the-graphic-work-for-his-next-directorial/articleshow/87132541.cms |archive-date=15 June 2024 |access-date=16 February 2025 |work=The Times of India}} However, as the Hindi film industry faced a financial crisis owing to a number of films underperforming theatrically after the COVID-19 pandemic, he rescinded those plans and instead revisited the script which was meant for Sivakarthikeyan. A muhurat puja was held at a studio in Chennai on 6 February 2024 with the presence of the film's cast and crew.{{Cite web |date=14 February 2024 |title=SK 23 update – Sivakarthikeyan, AR Murugadoss' film goes on floors, Anirudh Ravichander roped in |url=https://www.ottplay.com/news/sk-23-update-sivakarthikeyan-ar-murugadoss-film-goes-on-floors-anirudh-ravichander-roped-in/56f4c2a822860 |url-status=live |archive-url=https://web.archive.org/web/20240214141146/https://www.ottplay.com/news/sk-23-update-sivakarthikeyan-ar-murugadoss-film-goes-on-floors-anirudh-ravichander-roped-in/56f4c2a822860 |archive-date=14 February 2024 |access-date=14 February 2024 |website=OTTPlay}}{{Cite web |last=பூபாலன் |first=மு. |date=15 February 2024 |title=SK23: சிவகார்த்திகேயன், ஏ.ஆர்.முருகதாஸ், அனிருத் கூட்டணியில் உருவாகும் படத்தின் பூஜை {{!}} Photo Album |url=https://cinema.vikatan.com/kollywood/sk23-sivakarthikeyan-ar-murugadoss-anirudh-collaboration-sk23-movie-pooja-photo-album |url-status=live |archive-url=https://web.archive.org/web/20240216080221/https://cinema.vikatan.com/kollywood/sk23-sivakarthikeyan-ar-murugadoss-anirudh-collaboration-sk23-movie-pooja-photo-album |archive-date=16 February 2024 |access-date=16 February 2025 |website=Ananda Vikatan |language=ta}}

In early-February 2023, Sudeep Elamon was announced as the cinematographer. As he predominantly works in the Malayalam cinema, it marks his first film in Tamil cinema. Anirudh Ravichander would score the music, in his third film with Murugadoss after Kaththi (2014) and Darbar.{{Cite web |date=14 February 2024 |title=ஏ.ஆர்.முருகதாஸ் - சிவகார்த்திகேயன் படப் பணிகள் தொடக்கம் |url=https://www.hindutamil.in/news/cinema/tamil-cinema/1199239-sivakarthikeyan-sk23-with-ar-murugadoss-begins-with-an-pooja.html |url-status=live |archive-url=https://web.archive.org/web/20240224205021/https://www.hindutamil.in/news/cinema/tamil-cinema/1199239-sivakarthikeyan-sk23-with-ar-murugadoss-begins-with-an-pooja.html |archive-date=24 February 2024 |access-date=16 February 2025 |website=Hindu Tamil Thisai |language=ta}} Editor A. Sreekar Prasad, stunt choreographers Dhilip Subbarayan and Kevin Kumar and art director Arun Venjaramoodu, were brought onboard for the technical crew.{{Cite tweet |number=1758001675552641061 |user=ARMurugadoss |title=Very happy to have these amazing and talented people on board. Together, something special on your way🎉 |first=A.R. |last=Murugadoss |author-link=AR Murugadoss |date=15 February 2024 |access-date=15 February 2024 |archive-url=https://web.archive.org/web/20250123231523/https://x.com/ARMurugadoss/status/1758001675552641061 |archive-date=23 January 2025 |url-status=live}} Sivakarthikeyan went through a workshop with acting coach Rajesh Balachandiran to change his body-language.{{Cite news |date=6 March 2024 |title='SK 23' script has some special elements; Sivakarthikeyan's acting coach Rajesh reveals |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sk-23-script-has-some-special-elements-sivakarthikeyans-acting-coach-rajesh-reveals/articleshow/108258299.cms |url-status=live |archive-url=https://web.archive.org/web/20240311204031/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sk-23-script-has-some-special-elements-sivakarthikeyans-acting-coach-rajesh-reveals/articleshow/108258299.cms |archive-date=11 March 2024 |access-date=11 March 2024 |work=The Times of India}}{{Cite web |last=Sundar |first=Anusha |date=6 March 2024 |title=SK 23 will be very different from Amaran, reveals Sivakarthikeyan's acting coach Rajesh Balachandiran |url=https://www.ottplay.com/news/sk-23-will-be-very-different-from-amaran-reveals-sivakarthikeyans-acting-coach-rajesh-balachandiran/de1d17e06275 |url-status=live |archive-url=https://web.archive.org/web/20240311204312/https://www.ottplay.com/news/sk-23-will-be-very-different-from-amaran-reveals-sivakarthikeyans-acting-coach-rajesh-balachandiran/de1d17e06275 |archive-date=11 March 2024 |access-date=11 March 2024 |website=OTTPlay |language=en}} Reportedly made with a budget of {{INR}}200 crore, Sivakarthikeyan and Murugadoss's remuneration are reported to be {{INR}}40 crore and {{INR}}50 crore respectively.

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Sivakarthikeyan would sport a suave and thick beard, unlike any of the characters he had previously done before.{{Cite web |date=7 June 2024 |title=SK 23: Sivakarthikeyan's new thick beard look revealed in leaked VIDEO from AR Murugadoss directorial's sets |url=https://www.pinkvilla.com/entertainment/south/sk-23-sivakarthikeyans-new-thick-beard-look-revealed-in-leaked-video-from-ar-murugadoss-directorials-sets-1314443 |url-status=live |archive-url=https://web.archive.org/web/20240609014508/https://www.pinkvilla.com/entertainment/south/sk-23-sivakarthikeyans-new-thick-beard-look-revealed-in-leaked-video-from-ar-murugadoss-directorials-sets-1314443 |archive-date=9 June 2024 |access-date=9 June 2024 |website=Pinkvilla |language=en}} His character was reported to be a person who suffers from a psychological disorder, where he would overcome his trauma to confront the enemies and will be seen in multiple looks.{{Cite news |date=14 June 2024 |title=Sivakarthikeyan plays a distinct character in AR Murugadoss' directorial 'SK 23' |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-plays-a-distinct-character-in-ar-murugadoss-directorial-sk-23/articleshow/110994528.cms |url-status=live |archive-url=https://web.archive.org/web/20240616051556/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-plays-a-distinct-character-in-ar-murugadoss-directorial-sk-23/articleshow/110994528.cms |archive-date=16 June 2024 |access-date=16 February 2025 |work=The Times of India}} Although Mrunal Thakur was initially reported to play the female lead,{{Cite news |date=5 August 2023 |title=Confirmed: Mrunal is female lead in AR Murugadoss' film with Sivakarthikeyan |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/confirmed-mrunal-is-female-lead-in-ar-murugadoss-film-with-sivakarthikeyan/articleshow/102440274.cms |url-status=live |archive-url=https://web.archive.org/web/20240813193128/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/confirmed-mrunal-is-female-lead-in-ar-murugadoss-film-with-sivakarthikeyan/articleshow/102440274.cms |archive-date=13 August 2024 |access-date=13 August 2024 |work=The Times of India}} Rukmini Vasanth was later cast, in her second Tamil film after Ace.{{Cite news |date=15 February 2024 |title=Rukmini Vasanth pairs up with Sivakarthikeyan in SK23 |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/rukmini-vasanth-pairs-up-with-sivakarthikeyan-in-sk23-latest-news/articleshow/107718296.cms |url-status=live |archive-url=https://web.archive.org/web/20240226092359/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/rukmini-vasanth-pairs-up-with-sivakarthikeyan-in-sk23-latest-news/articleshow/107718296.cms |archive-date=26 February 2024 |access-date=13 August 2024 |work=The Times of India}} Speaking of her casting, Murugadoss admitted that he wanted someone who looked like a practical young woman, adding that "I saw her films, and found her personality to be closer to the kind of character that I’d written."

Initially, Mohanlal and Vidyut Jammwal were reported to play important roles in the film.{{Cite news |date=16 November 2023 |title=Mohanlal and Vidyut Jamwal in Sivakarthikeyan's film with AR Murugadoss? |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/mohanlal-and-vidyut-jamwal-in-sivakarthikeyans-film-with-ar-murugadoss/articleshow/105260499.cms |url-status=live |archive-url=https://web.archive.org/web/20231119113200/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/mohanlal-and-vidyut-jamwal-in-sivakarthikeyans-film-with-ar-murugadoss/articleshow/105260499.cms |archive-date=19 November 2023 |access-date=19 November 2023 |work=The Times of India}}{{Cite web |date=8 February 2024 |title=Mohanlal And Vidyut Jammwal Roped In For Sivakarthikeyan's Next: Reports |url=https://www.news18.com/movies/mohanlal-and-vidyut-jammwal-roped-in-for-sivakarthikeyans-next-reports-8770020.html |url-status=live |archive-url=https://web.archive.org/web/20240208100921/https://www.news18.com/movies/mohanlal-and-vidyut-jammwal-roped-in-for-sivakarthikeyans-next-reports-8770020.html |archive-date=8 February 2024 |access-date=16 February 2025 |website=News18 |language=en}} While Jammwal's inclusion was confirmed, playing the antagonist,{{Cite web |date=9 June 2024 |title=Vidyut Jammwal on board Sivakarthikeyan-AR Murugadoss film |url=https://www.cinemaexpress.com/tamil/news/2024/Jun/09/vidyut-jammwal-on-board-sivakarthikeyan-ar-murugadoss-film |url-status=live |archive-url=https://web.archive.org/web/20240609144835/https://www.cinemaexpress.com/tamil/news/2024/Jun/09/vidyut-jammwal-on-board-sivakarthikeyan-ar-murugadoss-film |archive-date=9 June 2024 |access-date=9 June 2024 |website=Cinema Express |language=en}} Mohanlal reportedly could not accept the offer due to scheduling conflicts.{{Cite web |last=A Manu |first=Hridyambika |date=25 April 2024 |title=SK23 – A popular Malayalam actor joins Sivakarthikeyan's film? Here's what we know.. |url=https://www.ottplay.com/news/sk23-a-popular-malayalam-actor-joins-sivakarthikeyans-film-heres-what-we-know/6c4b64e894150 |url-status=live |archive-url=https://web.archive.org/web/20240518004257/https://www.ottplay.com/news/sk23-a-popular-malayalam-actor-joins-sivakarthikeyans-film-heres-what-we-know/6c4b64e894150 |archive-date=18 May 2024 |access-date=16 February 2025 |website=OTTPlay |language=en}}{{Cite news |date=4 June 2024 |title=Has Biju Menon replaced Mohanlal to share screen space with Sivakarthikeyan in 'SK 23'? |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/has-biju-menon-replaced-mohanlal-to-share-screen-space-with-sivakarthikeyan-in-sk-23/articleshow/110701639.cms |url-status=live |archive-url=https://web.archive.org/web/20240606195208/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/has-biju-menon-replaced-mohanlal-to-share-screen-space-with-sivakarthikeyan-in-sk-23/articleshow/110701639.cms |archive-date=6 June 2024 |access-date=16 February 2025 |work=The Times of India}} Making his return to Tamil cinema after 11 years since his last release, Anjaan (2014), Murugadoss stated that Jammwal agreed to be part of the film before even listening to the script or the story.{{Cite news |last=Suganth |first=M |date=18 February 2025 |title=Sivakarthikeyan plays an unusual character with a rugged look: AR Murugadoss |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-plays-an-unusual-character-with-a-rugged-look-ar-murugadoss/articleshow/118344661.cms |url-status=live |archive-url=https://web.archive.org/web/20250218033851/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-plays-an-unusual-character-with-a-rugged-look-ar-murugadoss/articleshow/118344661.cms |archive-date=18 February 2025 |access-date=19 February 2025 |work=The Times of India}} Biju Menon was announced part of the cast, reportedly replacing Mohanlal, also marking his return to Tamil cinema after 15 years since Porkkalam (2010).{{Cite news |date=25 April 2024 |title=Biju Menon to return to K'wood after 14 yrs with ARM & SK's film |url=https://timesofindia.indiatimes.com/entertainment/malayalam/movies/news/biju-menon-to-return-to-kwood-after-14-yrs-with-arm-sks-film/articleshow/109599341.cms |url-status=live |archive-url=https://web.archive.org/web/20240425181428/https://timesofindia.indiatimes.com/entertainment/malayalam/movies/news/biju-menon-to-return-to-kwood-after-14-yrs-with-arm-sks-film/articleshow/109599341.cms |archive-date=25 April 2024 |access-date=26 April 2024 |work=The Times of India}}{{Cite web |date=11 August 2024 |title=Biju Menon joins the cast of Sivakarthikeyan-AR Murugadoss film |url=https://indianexpress.com/article/entertainment/tamil/biju-menon-joins-the-cast-of-sivakarthikeyan-ar-murugadoss-film-9507703/ |url-status=live |archive-url=https://web.archive.org/web/20240813193128/https://indianexpress.com/article/entertainment/tamil/biju-menon-joins-the-cast-of-sivakarthikeyan-ar-murugadoss-film-9507703/ |archive-date=13 August 2024 |access-date=13 August 2024 |website=The Indian Express |language=en}} Vikranth and Shabeer Kallarakkal were also confirmed to be part of the cast.{{Cite web |date=15 June 2024 |title=SK 23's cast expands with actor Vikranth on board |url=https://www.cinemaexpress.com/tamil/news/2024/Jun/15/sk-23s-cast-expands-with-actor-vikranth-on-board |url-status=live |archive-url=https://web.archive.org/web/20240617032130/https://www.cinemaexpress.com/tamil/news/2024/Jun/15/sk-23s-cast-expands-with-actor-vikranth-on-board |archive-date=17 June 2024 |access-date=16 June 2024 |website=Cinema Express |language=en}}{{Cite web |date=17 June 2024 |title=Sivakarthikeyan's SK23 adds Shabeer Kallarakkal to cast |url=https://www.cinemaexpress.com/tamil/news/2024/Jun/17/sivakarthikeyans-sk23-adds-shabeer-kallarakkal-to-cast |url-status=live |archive-url=https://web.archive.org/web/20250113100735/https://www.cinemaexpress.com/tamil/news/2024/Jun/17/sivakarthikeyans-sk23-adds-shabeer-kallarakkal-to-cast |archive-date=13 January 2025 |access-date=16 February 2025 |website=Cinema Express |language=en}}

File:Raheja Towers Chennai.jpg.]]

Principal photography began with the first schedule on 14 February 2024 in Chennai.{{Cite web |date=14 February 2024 |title=SK23 : మరో ప్రయోగాత్మక చిత్రం చేయనున్న శివకార్తికేయన్‌.. డైరెక్టర్ ఎవరంటే..? |url=https://ntvtelugu.com/news/sivakarthikeyan-who-is-going-to-do-another-experimental-film-who-is-the-director-531275.html |url-status=live |archive-url=https://web.archive.org/web/20240214143502/https://ntvtelugu.com/news/sivakarthikeyan-who-is-going-to-do-another-experimental-film-who-is-the-director-531275.html |archive-date=14 February 2024 |access-date=14 February 2024 |website=NTV |language=te}}{{Cite web |date=14 February 2024 |title=SK23 திரைப்படத்தின் படப்பிடிப்பு துவக்கம்? |url=https://news7tamil.live/sk23-movie-shooting-start.html |url-status=live |archive-url=https://archive.today/20250217013417/https://news7tamil.live/the-title-teaser-of-the-film-sk-23-is-released-tomorrow.html |archive-date=17 February 2025 |access-date=17 February 2025 |website=News7 Tamil |language=ta}} The second schedule commenced on 13 March in Pondicherry and continued for a few days before returning to Chennai.{{Cite news |date=15 March 2024 |title='SK 23' second schedule happening in Pondicherry; photos from the movie sets circulate on the internet |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sk-23-second-schedule-happening-in-pondicherry-photos-from-the-movie-sets-circulate-on-the-internet/articleshow/108524622.cms |url-status=live |archive-url=https://web.archive.org/web/20240327205925/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sk-23-second-schedule-happening-in-pondicherry-photos-from-the-movie-sets-circulate-on-the-internet/articleshow/108524622.cms |archive-date=27 March 2024 |access-date=16 February 2025 |work=The Times of India}}{{Cite web |date=13 March 2024 |title=AR Murugadoss- Sivakarthikeyan start working on the second schedule of SK23 |url=https://www.cinemaexpress.com/tamil/news/2024/Mar/13/ar-murugadoss-sivakarthikeyan-start-working-on-the-second-schedule-of-sk23 |url-status=live |archive-url=https://web.archive.org/web/20240427191537/https://www.cinemaexpress.com/tamil/news/2024/Mar/13/ar-murugadoss-sivakarthikeyan-start-working-on-the-second-schedule-of-sk23c |archive-date=27 April 2024 |access-date=16 February 2025 |website=Cinema Express |language=en}} On 24 March, Murugadoss posted on Instagram that a sequence was filmed at the Thirumayilai railway station, also penning an emotional note as he also shot a portion for Ramanaa (2002), which starred late actor Vijayakanth, there.{{Cite news |date=24 March 2024 |title=AR Murugadoss pens a heartfelt note as he visits sets of 'Ramana' once again for 'SKxARM' |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/ar-murugadoss-pens-a-heartfelt-note-as-he-visits-sets-of-ramana-once-again-for-skxarm/articleshow/108749579.cms |url-status=live |archive-url=https://web.archive.org/web/20240405152050/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/ar-murugadoss-pens-a-heartfelt-note-as-he-visits-sets-of-ramana-once-again-for-skxarm/articleshow/108749579.cms |archive-date=5 April 2024 |access-date=9 June 2024 |work=The Times of India}}{{Cite web |last=Srivastava |first=Aditi |date=24 March 2024 |title=AR Murugadoss goes back in time! Revisits Ramana after 23 years |url=https://www.ottplay.com/news/ar-murugadoss-goes-back-in-time-revisits-ramana-after-23-years/509a56b4ce121 |url-status=live |archive-url=https://web.archive.org/web/20240610005936/https://www.ottplay.com/news/ar-murugadoss-goes-back-in-time-revisits-ramana-after-23-years/509a56b4ce121 |archive-date=10 June 2024 |access-date=9 June 2024 |website=OTTPlay |language=en}} In early April, a portion featuring Sivakarthikeyan and Jammwal was reportedly shot, and a song sequence was also filmed at the streets of Pondy Bazaar in T. Nagar.{{Cite news |date=5 April 2024 |title=AR Murugadoss films a song sequence with Sivakarthikeyan for 'SK 23' at a busy place in Chennai |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/ar-murugadoss-films-a-song-sequence-with-sivakarthikeyan-for-sk-23-at-a-busy-place-in-chennai/articleshow/109056960.cms |url-status=live |archive-url=https://web.archive.org/web/20240408021547/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/ar-murugadoss-films-a-song-sequence-with-sivakarthikeyan-for-sk-23-at-a-busy-place-in-chennai/articleshow/109056960.cms |archive-date=8 April 2024 |access-date=9 June 2024 |work=The Times of India}}{{Cite web |date=5 April 2024 |title=Sivakarthikeyan's SK 23 song shoot in Chennai's popular spot |url=https://www.cinemaexpress.com/tamil/news/2024/Apr/05/sk-23-song-shoot-in-chennais-popular-spot |url-status=live |archive-url=https://web.archive.org/web/20240614090546/https://www.cinemaexpress.com/tamil/news/2024/Apr/05/sk-23-song-shoot-in-chennais-popular-spot |archive-date=14 June 2024 |access-date=16 February 2025 |website=Cinema Express |language=en}} The same month, a romantic sequence featuring Sivakarthikeyan and Rukmini was shot at the Saveetha Institute of Medical And Technical Sciences.{{Cite news |date=13 April 2024 |title=Sivakarthikeyan's latest video from the 'SK 23' set goes viral; Rukmini Vasanth's character revealed |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyans-latest-video-from-the-sk-23-set-goes-viral-rukmini-vasanths-character-revealed/articleshow/109269745.cms |url-status=live |archive-url=https://web.archive.org/web/20240424064159/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyans-latest-video-from-the-sk-23-set-goes-viral-rukmini-vasanths-character-revealed/articleshow/109269745.cms |archive-date=24 April 2024 |access-date=16 February 2025 |work=The Times of India}} Following this, shooting was briefly paused as Sivakarthikeyan had to participate in the final schedule of Amaran (2024).{{Cite news |date=26 April 2024 |title=The final schedule of Sivakarthikeyan's 'Amaran' commences |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/the-final-schedule-of-sivakarthikeyans-amaran-commences/articleshow/109620747.cms |url-status=live |archive-url=https://web.archive.org/web/20240427233906/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/the-final-schedule-of-sivakarthikeyans-amaran-commences/articleshow/109620747.cms |archive-date=27 April 2024 |access-date=16 February 2025 |work=The Times of India}}

Filming resumed with the concurrent schedule in Chennai on 6 June, where the team shot few high-octane action sequences.{{Cite news |date=6 June 2024 |title=Sivakarthikeyan filming action sequences for 'SK23' |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-filming-action-sequences-for-sk23/articleshow/110763684.cms |url-status=live |archive-url=https://web.archive.org/web/20240609145008/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-filming-action-sequences-for-sk23/articleshow/110763684.cms |archive-date=9 June 2024 |access-date=9 June 2024 |work=The Times of India}} This schedule was completed within two weeks, and filming was put on hold to allow Murugadoss' commitments to the Hindi film Sikandar (2025).{{Cite news |date=20 June 2024 |title=Sivakarthikeyan's first shot from 'SK 23' goes viral; editing under process |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyans-first-shot-from-sk-23-goes-viral-editing-under-process/articleshow/111143424.cms |url-status=live |archive-url=https://web.archive.org/web/20240621160204/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyans-first-shot-from-sk-23-goes-viral-editing-under-process/amp_articleshow/111143424.cms |archive-date=21 June 2024 |access-date=21 June 2024 |work=The Times of India}} On 12 July, the team resumed filming with a minor schedule in Thoothukudi and would return to Chennai for the final phase of filming.{{Cite news |date=12 July 2024 |title=SK 23' shoot resumes in Thoothukudi today! |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sk-23-shoot-resumes-in-thoothukudi-today/articleshow/111678698.cms |url-status=live |archive-url=https://web.archive.org/web/20240715065148/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sk-23-shoot-resumes-in-thoothukudi-today/articleshow/111678698.cms |archive-date=15 July 2024 |access-date=16 February 2025 |work=The Times of India}} In September, it was reported that only 20 days of filming was left.{{Cite web |date=26 September 2024 |title=SKxARM on the verge of completion |url=https://www.dtnext.in/entertainment/cinema/skxarm-on-the-verge-of-completion-805240 |url-status=live |archive-url=https://web.archive.org/web/20241111180834/https://www.dtnext.in/entertainment/cinema/skxarm-on-the-verge-of-completion-805240 |archive-date=11 November 2024 |access-date=10 November 2024 |website=DT Next |language=en}} A small schedule was held at Tambaram in Chennai in early November.{{Cite web |date=4 November 2024 |title=சென்னை: பரபரப்பாக நடக்கும் சிவகார்த்திகேயனின் அடுத்த பட ஷூட்டிங்... சூழ்ந்த பொதுமக்கள்! #Video |url=https://www.puthiyathalaimurai.com/cinema/tamil-cinema-news/people-gathers-at-actor-sivakarthikeyan-new-movie-shooting-in-chennai |url-status=live |archive-url=https://web.archive.org/web/20241126073625/https://www.puthiyathalaimurai.com/amp/story/cinema/tamil-cinema-news/people-gathers-at-actor-sivakarthikeyan-new-movie-shooting-in-chennai |archive-date=26 November 2024 |access-date=2 February 2025 |website=Puthiya Thalaimurai |language=ta}} In this schedule, a high-risk stunt sequence was filmed where Sivakarthikeyan jumped from the top of a bridge without a rope or a body double.{{Cite news |date=19 November 2024 |title=Sivakarthikeyan performs a risky stunt for 'SK 23' |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-performs-a-risky-stunt-for-sk-23/articleshow/115442658.cms |url-status=live |archive-url=https://web.archive.org/web/20250212000600/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sivakarthikeyan-performs-a-risky-stunt-for-sk-23/articleshow/115442658.cms |archive-date=12 February 2025 |access-date=16 February 2025 |work=The Times of India}} The schedule was then completed on 23 November.{{Cite news |date=23 November 2024 |title='SK 23': It's a schedule wrap for Sivakarthikeyan and AR Murugadoss' film |url=https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sk-23-its-a-schedule-wrap-for-sivakarthikeyan-and-ar-murugadoss-film/articleshow/115596785.cms |url-status=live |archive-url=https://web.archive.org/web/20250205185035/https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/sk-23-its-a-schedule-wrap-for-sivakarthikeyan-and-ar-murugadoss-film/articleshow/115596785.cms |archive-date=5 February 2025 |access-date=16 February 2025 |work=The Times of India}} In January 2025, Sivakarthikeyan said filming was 90% complete.{{Cite web |date=7 January 2025 |title=Sivakarthikeyan on his film with AR Murugadoss: It is not your regular commercial-action entertainer |url=https://www.cinemaexpress.com/tamil/news/2025/Jan/07/sivakarthikeyan-on-his-film-with-ar-murugadoss-it-is-not-your-regular-commercial-action-entertainer |url-status=live |archive-url=https://web.archive.org/web/20250108224006/https://www.cinemaexpress.com/tamil/news/2025/Jan/07/sivakarthikeyan-on-his-film-with-ar-murugadoss-it-is-not-your-regular-commercial-action-entertainer |archive-date=8 January 2025 |access-date=9 January 2025 |website=Cinema Express |language=en}} In late January, it was reported that Murugadoss had decided to resume filming and complete the remaining portions within the following March, before continuing on Sikandar.{{Cite web |date=30 January 2025 |title=மீண்டும் தொடங்கும் முருகதாஸ்& சிவகார்த்திகேயன் பட ஷூட்டிங்..! |url=https://m-tamil.webdunia.com/article/tamil-cinema-news-movie-film/sivakarthikeyan-murugadoss-movie-shoot-resume-125013000031_1.html |url-status=live |archive-url=https://web.archive.org/web/20250216145014/https://m-tamil.webdunia.com/article/tamil-cinema-news-movie-film/sivakarthikeyan-murugadoss-movie-shoot-resume-125013000031_1.html |archive-date=16 February 2025 |access-date=2 February 2025 |website=Webdunia |language=ta}}

Visual effects for the film are provided by Knack Studios, Phantom FX and Beast Bells.{{Cite AV media |url=https://www.youtube.com/watch?v=_t-t8mG_vUY |title=Madharasi {{!}} Title Glimpse {{!}} Sivakarthikeyan {{!}} A.R.Murugadoss {{!}} Anirudh {{!}} Sri Lakshmi Movies |date=16 February 2025 |publisher=Junglee Music Tamil |access-date=8 April 2025 |archive-url=https://ghostarchive.org/varchive/_t-t8mG_vUY |archive-date=8 April 2025 |url-status=live |via=YouTube}}{{cbignore}}{{Cite web |date=17 February 2025 |title=A R Murugadoss's film with Sivakarthikeyan titled 'Dil Madharasi' |url=https://dailyworld.in/entertainment/a-r-murugadosss-film-with-sivakarthikeyan-titled-dil-madharasi-601719.html |url-status=live |archive-url=https://web.archive.org/web/20250406150245/https://dailyworld.in/entertainment/a-r-murugadosss-film-with-sivakarthikeyan-titled-dil-madharasi-601719.html |archive-date=6 April 2025 |access-date=6 April 2025 |website=Dailyworld |language=en}} Sreekar Prasad serves as the film's editor, and started the editing works by June 2024.

{{Infobox album

| name = Madharasi

| type = soundtrack

| artist = Anirudh Ravichander

| released = 2025

| recorded = February 2024–present

| studio = Albuquerque Records, Chennai

| genre = Feature film soundtrack

| language = Tamil

| label = Junglee Music

| producer = Anirudh Ravichander

| prev_title = Coolie

| prev_year = 2025

| year = 2025

| next_title = Jana Nayagan

| next_year = 2026

}}

The soundtrack is composed by Anirudh Ravichander, in his third collaboration with Murugadoss after Kaththi (2014) and Darbar (2020); eighth with Sivakarthikeyan.{{Efn|Anirudh Ravichander and Sivakarthikeyan previously collaborated for Ethir Neechal (2013), Maan Karate (2014), Kaaki Sattai (2014), Remo (2016), Velaikkaran (2017), Doctor (2021) and Don (2022).}} The audio rights were acquired by Junglee Music.{{Cite tweet |number=1890711835965542901 |user=JungleeMusicSTH |title=Exciting news! 🎶 Junglee Music, powered by Times Music, has bagged the audio rights for #SKxARM – a powerhouse collaboration of Sivakarthikeyan, A.R. Murugadoss, and Anirudh! Get ready for a musical blockbuster!🔥 |author=Junglee Music South |author-link=Junglee Music |date=15 February 2025 |access-date=16 February 2025 |archive-url=https://archive.today/20250216151500/https://x.com/JungleeMusicSTH/status/1890711835965542901 |archive-date=16 February 2025}}

Madharasi is scheduled to release on 5 September 2025.{{Cite web |last=S |first=Goutham |date=14 April 2025 |title=Madharasi Release Date: Sivakarthikeyan's movie with director AR Murugadoss set to hit big screens on... |url=https://www.pinkvilla.com/entertainment/south/madharasi-release-sivakarthikeyan-starrer-action-flick-with-director-ar-murugadoss-to-hit-big-screens-on-this-date-1382432 |url-status=live |archive-url=https://web.archive.org/web/20250414122341/https://www.pinkvilla.com/entertainment/south/madharasi-release-sivakarthikeyan-starrer-action-flick-with-director-ar-murugadoss-to-hit-big-screens-on-this-date-1382432 |archive-date=14 April 2025 |access-date=14 April 2025 |website=Pinkvilla |language=en}} Apart from the original Tamil language, it is also scheduled to be released in dubbed versions in the Telugu, Kannada, Malayalam and Hindi languages, with the latter being titled Dil Madharasi.

Prathyangira Cinemas acquired the distribution rights of the film for the United States.{{Cite tweet |number=1874468174596558992 |user=PrathyangiraUS |title=#SKxARM ❤️‍🔥❤️‍🔥❤️‍🔥 Another feather in the cap for @PrathyangiraUS ! 🤗 Delighted to share that the USA rights for #SK23 have been secured 🔥 This one is set to be HUGE. We're all counting down the days! 🥁 |author=Prathyangira Cinemas |access-date=1 January 2025 |archive-url=https://ghostarchive.org/archive/WYlZE |archive-date=1 January 2025 |url-status=live}} Phars Films bought the overseas distribution rights of the film,{{Cite tweet |number=1890996990529753361 |user=srilakshmimovie |title=#SKxARM - Title Glimpse from tomorrow, at 11AM! Set your alarms and let the celebrations begin ❤️‍🔥 |author=Sri Lakshmi Movies |access-date=17 February 2025}} and 4 Seasons Creations will distribute the film in Europe.{{Cite tweet |number=1891197684985520526 |user=4seasoncreation |title=Wishing our dearest Prince @Siva_Kartikeyan , A fantastic birthday. All the best for your future endeavors and once again ' WELCOME TO THE BIG LEAGUE ' 🔥🌟 We @4SeasonCreation are happy to collaborate with #SKxARM. We'll hold the gun like never before in Europe for sure 😁🔥 |author=4Seasons Creations AS |access-date=17 February 2025}}

{{notelist}}

{{reflist}}

• {{IMDb title|28252563}}

{{AR Murugadoss}}

Category:2025 films

Category:Films directed by AR Murugadoss

Category:Films scored by Anirudh Ravichander

Category:Films shot in Puducherry

Category:Films shot in Tamil Nadu

Category:Indian action thriller films

Category:Tamil-language action thriller films

Category:Tamil-language Indian films

Category:Upcoming Tamil-language films