Psychopath Diary

{{Infobox television

| image = Psychopath Diary Poster.jpeg

| caption = Promotional poster

| native_name = {{Infobox Korean television name|hangul=싸이코패스 다이어리|rr=Ssaikopaeseu Daieori}}

| genre = {{ubl|Comedy|Thriller{{cite news|url=https://entertain.naver.com/read?oid=029&aid=0002545354|title=윤시윤·정인선·박성훈, 코믹 스릴러 '싸이코패스 다이어리' 주연 확정|website=Naver|publisher=Digital Times|access-date=September 7, 2019|language=ko|archive-date=April 4, 2023|archive-url=https://web.archive.org/web/20230404134339/https://entertain.naver.com/read?oid=029&aid=0002545354|url-status=live}}}}

| creator = Studio Dragon

| writer = {{ubl|Choe Sung-jun|Kim Hwan-chae|Ryu Yong-jae}}

| director = Lee Jong-jae

| starring = {{ubl|Yoon Shi-yoon|Jung In-sun|Park Sung-hoon}}

| country = South Korea

| language = Korean

| num_episodes = 16

| runtime = 60 minutes{{cite web|url=https://watch.cjenm.com/broadcast/sub/view?contentsId=B120195356|title=Psychopath Diary (2019)|website=CJ ENM|archive-url=https://web.archive.org/web/20220326192456/https://watch.cjenm.com/broadcast/sub/view?contentsId=B120195356|archive-date=March 26, 2022|url-status=live|access-date=March 26, 2022}}

| company = KeyEast{{cite news|url=https://entertain.naver.com/read?oid=609&aid=0000154441|title='싸이코패스 다이어리' 이한위 허성태→이민지까지, 퍼펙트 라인업(공식)|website=Naver|publisher=Newsen|access-date=September 7, 2019|language=ko|archive-date=August 23, 2021|archive-url=https://web.archive.org/web/20210823092804/https://entertain.naver.com/read?oid=609&aid=0000154441|url-status=live}}

| network = tvN

| first_aired = {{start date|2019|11|20}}

| last_aired = {{end date|2020|1|9}}

}}

Psychopath Diary ({{Korean|싸이코패스 다이어리}}) is a 2019 South Korean television series starring Yoon Shi-yoon, Jung In-sun and Park Sung-hoon. It aired on tvN from November 20, 2019 to January 9, 2020.

Synopsis

Yook Dong-sik (Yoon Shi-yoon), an analyst who works at Daehan Securities, has a timid personality. He can't even get angry at the people who look down upon him. One day, shortly after failing on his attempt of suicide, he witnesses a murder. He unintentionally picks up a diary belonging to the murderer, on which was written the log of his murders. He flees with the diary, but he is accidentally hit by Police Officer Shim Bo-kyung's (Jung In-sun) patrol car which causes him to suffer from retrograde amnesia. Due to the diary in his possession, Dong-sik mistakenly believes he is a psychopath. Since that moment, his behavior started to change. Bo-kyung, who got involved with Dong-sik, decides to catch the serial killer.

Meanwhile, Seo In-woo (Park Sung-hoon), the director and son of the chairman of Daehan Securities where Dong-sik works, turns out to be the heartless psychopath serial killer. He loses his diary when his 6th victim, a homeless old man tossed his diary away. He feels insecure ever since, He is obsessed and in love with DongSik .{{cite news|url=https://entertain.naver.com/read?oid=015&aid=0004189039|title='싸이코패스 다이어리' 윤시윤X정인선X박성훈, 캐스팅 확정…믿보 라인업 구축|website=Naver|publisher=Hankyung|access-date=September 7, 2019|language=ko|archive-date=November 24, 2021|archive-url=https://web.archive.org/web/20211124191430/https://entertain.naver.com/read?oid=015&aid=0004189039|url-status=live}}

Cast

=Main=

Yoon Shi-yoon as Yook Dong-sik, a timid and pushover man who works as a clerk at Daehan Securities. His weak personality begins to change when he perceives himself as a killer.{{cite news|url=https://www.hancinema.net/yoon-si-yoon-jung-in-sun-park-sung-hoon-confirmed-for-psychopath-diary-132363.html|title=Yoon Si-yoon, Jung In-sun, Park Sung-hoon Confirmed for "Psychopath Diary"|website=HanCinema|publisher=News1 Korea|access-date=September 7, 2019|archive-date=November 24, 2021|archive-url=https://web.archive.org/web/20211124191430/https://www.hancinema.net/yoon-si-yoon-jung-in-sun-park-sung-hoon-confirmed-for-psychopath-diary-132363.html|url-status=live}}
Jung In-sun as Shim Bo-kyung, an officer in a patrol station.{{cite news|url=https://www.hancinema.net/yoon-si-yoon-and-jung-in-sun-courted-for-drama-psychopath-diary-130461.html|title=Yoon Si-yoon and Jung in-sun Courted for Drama "Psychopath Diary"|website=HanCinema|publisher=Xports News|access-date=September 7, 2019|archive-date=November 24, 2021|archive-url=https://web.archive.org/web/20211124191430/https://www.hancinema.net/yoon-si-yoon-and-jung-in-sun-courted-for-drama-psychopath-diary-130461.html|url-status=live}}
Park Sung-hoon as Seo In-woo, the real psychopathic serial killer who is also the director of Daehan Securities where Dong-sik works at.

=Supporting=

== People around Yook Dong-sik ==

Lee Han-wi as Yook Jong-chul, Dong-sik's father.
Hwang Geum-byul as Yook Ji-yeon, Dong-sik's older sister.
Kim Gyul as Jo Yong-gu, Dong-sik's brother-in-law.{{cite news|title=Kim Gyul to Star in "Psychopath Diary"|website=HanCinema|publisher=Wow TV|url=https://www.hancinema.net/kim-gyul-to-star-in-psychopath-diary-133267.html|access-date=September 7, 2019|archive-date=September 8, 2019|archive-url=https://web.archive.org/web/20190908224516/https://www.hancinema.net/kim-gyul-to-star-in-psychopath-diary-133267.html|url-status=live}}
Jung Su-bin as Yook Dong-chan, Dong-sik's younger half-brother.{{cite news|title=빅톤 정수빈, tvN '싸이코패스 다이어리' 합류…연기돌 행보(공식)|language=ko|website=Naver|publisher=Newsen|url=https://entertain.naver.com/read?oid=609&aid=0000176060|access-date=September 24, 2019|archive-date=January 10, 2022|archive-url=https://web.archive.org/web/20220110084612/https://entertain.naver.com/read?oid=609&aid=0000176060|url-status=live}}
So Hee-jung as Na In-hye, Dong-sik's step-mother, Dong-chan's mother.
Heo Sung-tae as Jang Chil-sung, a gangster who lives at Unit 708. He later addresses Dong-sik as his 'Big Boss' after mistakenly believes him to be a serial killer.

== People around Shim Bo-kyung ==

Choi Sung-won as Heo Taek-soo, Bo-kyung's partner.
Kim Myung-soo as Shim Seok-gu, Bo-kyung's father who is a former investigator police.
Lee Kan-hee as Lee Suk-yeon, Bo-kyung's mother.
Lee Hae-young as Officer Ryu Jae-joon

== People around Seo In-woo ==

Park Jung-hak as Seo Chung-hyeon, In-woo's father who is the chairman of Daehan Securities.
Yoo Bi as Seo Ji-hun, In-woo's step-brother and managing director of Daehan Securities.
Yoon Ye-hee as Kim Eun-shil, Chung-hyeon's wife and Ji-hun's mother.
Kim Hye-na as Seo Ji-eun, In-woo's step-sister.
Lim Il-gyu as Kim Chan-il, In-woo's brother-in-law.
Han Soo-hyun as Kim Mu-seok, former detective who now works for In-woo.

== People at Daehan Securities ==

Choi Dae-chul as Gong Chan-seok, the manager of Team 3 and Dong-sik's boss who is selfish and rude.
Kim Ki-doo as Park Jae-ho, Dong-shik's cunning team member who claims to be his best friend.
Jo Shi-nae as Han Jung-ah, Dong-sik's colleague.
Lee Min-ji as Oh Min-joo
Choi Tae-hwan as Shin Seok-hyun{{cite news|url=https://www.hancinema.net/hancinema-s-news-hwang-sun-hee-and-choi-tae-hwan-confirmed-for-psychopath-diary-132786.html|title=Hwang Sun-hee and Choi Tae-hwan Confirmed for "Psychopath Diary"|website=HanCinema|access-date=September 7, 2019|archive-date=September 22, 2019|archive-url=https://web.archive.org/web/20190922084950/https://www.hancinema.net/hancinema-s-news-hwang-sun-hee-and-choi-tae-hwan-confirmed-for-psychopath-diary-132786.html|url-status=live}}
Hwang Sun-hee as Jo Yoo-jin

= Others =

Gu Ja-geon as a bully

= Special appearances =

Jung Hae-kyun as Kim Myung-gook, a homeless man. ({{abbr|Ep.|Episode}} 1–2)
Yura as a girl with a dog in park (Ep. 2)
Nam Jung-hee as murder victim (Ep. 2)
Jo Yoon Ho as Chil-sung's junior (Ep. 2)
Han Ji-eun as a woman with a big guy (Ep. 2)
Yoon Ji-on as Joo Young-min (Ep. 4–5)
Lee Hyun-woong as Oh Myung-dal (Ep. 12–13, 16)

Production

The first script reading was held in August 2019 in Sangam-dong, Seoul.{{cite news|url=https://entertain.naver.com/read?oid=241&aid=0002961023|title='싸이코패스 다이어리' 윤시윤·정인선·박성훈, 첫 리딩부터 '시너지↑'|website=Naver|publisher=Ilgan Sports|access-date=September 26, 2019|language=ko}}

Original soundtrack

{{Infobox album

| name = Psychopath Diary OST

| type = soundtrack

| artist = Various Artists

| cover =

| alt =

| released = 2019-20

| studio =

| genre = Soundtrack

| language = {{hlist|Korean|English}}

| label = Stone Music Entertainment

| producer =

}}

=Part 1=

{{tracklist

| headline = Released on {{start date|2019|12|12}}

| extra_column = Artist

| title1 = Wanna be Bad

| note1 = 슬퍼하고싶어

| lyrics1 =

| extra1 = Woosung (The Rose)

| length1 = 2:59

| title2 = Wanna be Bad

| note2 = Inst.

| music2 =

| length2 = 2:59

| total_length = 5:18

}}

=Part 2=

{{tracklist

| headline = Released on {{start date|2020|1|2}}

| extra_column = Artist

| title1 = Stay the same

| note1 = 동일하게

| lyrics1 =

| extra1 = Cha Yeo-wool

| length1 = 3:26

| title2 = Stay the same

| note2 = Inst.

| music2 =

| length2 = 3:26

| total_length = 6:52

}}

{{tracklist

| extra_column= Artist

| headline = Disc 2:

| title1 = Psychopath Diary

| note1 = Opening Title

| extra1 = Um Ki Yup, Um Ki Hyun, Lee Sun Gyeol

| length1 = 2:54

| title2 = Dongshik's Polka

| note2 =

| extra2 = Um Ki Yup, Um Ki Hyun, Lee Sun Gyeol

| length2 = 2:35

| title3 = Red Diary

| note3 =

| extra3 = Um Ki Yup, Park Min Ji

| length3 = 2:40

| title4 = Suspense

| note4 =

| extra4 = Kim Hee Jin

| length4 = 1:40

| title5 = Dongshik's related memories

| note5 =

| extra5 = Um Ki Yup, Um Ki Hyun, Park Min Ji

| length5 = 3:46

| title6 = Do I look like a pushover

| note6 =

| extra6 = Um Ki Yup, Um Ki Hyun

| length6 = 3:10

| title7 = I'm a Psycho

| note7 =

| extra7 = FaraEffect

| length7 = 3:06

| total_length = 24:17

}}

Viewership

{{Television ratings graph

| title = Psychopath Diary

| refs = Audience measurement performed nationwide by Nielsen Korea.{{cite web|url=http://www.nielsenkorea.co.kr/tv_terrestrial_day.asp?menu=Tit_1&sub_menu=3_1&area=00&begin_date=20200729|title=Nielsen Korea|work=AGB Nielsen Media Research|language=ko|access-date=July 29, 2020|archive-date=February 19, 2023|archive-url=https://web.archive.org/web/20230219235716/http://www.nielsenkorea.co.kr/tv_terrestrial_day.asp?menu=Tit_1&sub_menu=3_1&area=00&begin_date=20200729|url-status=live}}

| average = y

| width = 300

| height = 200

| country = South Korea

| -

|0.440

|0.329

|0.451

|0.570

|0.563

|0.586

|0.613

|0.582

|0.507

|0.398

|0.426

|0.572

|0.502

|0.615

|0.719

|0.710

|0.536

}}

class="wikitable" style="text-align:center;max-width:490px; margin-left: auto; margin-right: auto; border: none;"
+ Average TV viewership ratings
rowspan="2" \|{{abbr\|Ep.\|Episode}} ! rowspan="2" \|Original broadcast date ! colspan="2" \|Average audience share (Nielsen Korea){{cite web\|url=http://www.nielsenkorea.co.kr/tv_terrestrial_day.asp?menu=Tit_1&sub_menu=3_1&area=00\|title=Nielsen Korea\|work=AGB Nielsen Media Research\|language=ko\|access-date=November 20, 2019\|archive-url=https://web.archive.org/web/20160601140426/http://www.nielsenkorea.co.kr/tv_terrestrial_day.asp?menu=Tit_1&sub_menu=3_1&area=00\|archive-date=June 1, 2016\|url-status=dead}}
width=100\|Nationwide	width=100\|Seoul
1 \| November 20, 2019 \| 1.766% \| 1.730%
2 \| November 21, 2019 \| {{color\|blue\|1.463%}} \| {{color\|blue\|1.361%}}
3 \| November 27, 2019 \| 1.928% \| 2.057%
4 \| November 28, 2019 \| 2.206% \| 2.174%
5 \| December 4, 2019 \| 2.368% \| 2.507%
6 \| December 5, 2019 \| 2.212% \| 2.346%
7 \| December 11, 2019 \| 2.424% \| 2.866%
8 \| December 12, 2019 \| 2.299% \| 2.782%
9 \| December 18, 2019 \| 2.014% \| 2.099%
10 \| December 19, 2019 \| 1.693% \| 1.954%
11 \| December 25, 2019 \| 1.708% \| 2.025%
12 \| December 26, 2019 \| 2.295% \| 2.718%
13 \| January 1, 2020 \| 1.939% \| 2.213%
14 \| January 2, 2020 \| 2.423% \| 2.633%
15 \| January 8, 2020 \| 2.685% \| 2.762%
16 \| January 9, 2020 \| {{color\|red\|2.983%}} \| {{color\|red\|3.372%}}
colspan="2" \|Average ! {{color\|green\|2.150%}} ! {{color\|green\|2.350%}}
colspan="4" style="font-size:85%" \| In the table above, the {{color\|blue\|blue numbers}} represent the lowest ratings and the {{color\|red\|red numbers}} represent the highest ratings. This series aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC and EBS).

class="wikitable" style="text-align:center;max-width:490px; margin-left: auto; margin-right: auto; border: none;"

+ Average TV viewership ratings

rowspan="2" |{{abbr|Ep.|Episode}}

! rowspan="2" |Original broadcast date

! colspan="2" |Average audience share
(Nielsen Korea){{cite web|url=http://www.nielsenkorea.co.kr/tv_terrestrial_day.asp?menu=Tit_1&sub_menu=3_1&area=00|title=Nielsen Korea|work=AGB Nielsen Media Research|language=ko|access-date=November 20, 2019|archive-url=https://web.archive.org/web/20160601140426/http://www.nielsenkorea.co.kr/tv_terrestrial_day.asp?menu=Tit_1&sub_menu=3_1&area=00|archive-date=June 1, 2016|url-status=dead}}

width=100|Nationwide

width=100|Seoul

| November 20, 2019

| 1.766%

| 1.730%

| November 21, 2019

| {{color|blue|1.463%}}

| {{color|blue|1.361%}}

| November 27, 2019

| 1.928%

| 2.057%

| November 28, 2019

| 2.206%

| 2.174%

| December 4, 2019

| 2.368%

| 2.507%

| December 5, 2019

| 2.212%

| 2.346%

| December 11, 2019

| 2.424%

| 2.866%

| December 12, 2019

| 2.299%

| 2.782%

| December 18, 2019

| 2.014%

| 2.099%

| December 19, 2019

| 1.693%

| 1.954%

| December 25, 2019

| 1.708%

| 2.025%

| December 26, 2019

| 2.295%

| 2.718%

| January 1, 2020

| 1.939%

| 2.213%

| January 2, 2020

| 2.423%

| 2.633%

| January 8, 2020

| 2.685%

| 2.762%

| January 9, 2020

| {{color|red|2.983%}}

| {{color|red|3.372%}}

colspan="2" |Average

! {{color|green|2.150%}}

! {{color|green|2.350%}}

colspan="4" style="font-size:85%" |

In the table above, the {{color|blue|blue numbers}} represent the lowest ratings and the {{color|red|red numbers}} represent the highest ratings.
This series aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC and EBS).

References

External links

{{Official website|https://tvn.cjenm.com/ko/psychodiary/}} {{in lang|ko}}
{{IMDb title|tt11133466}}
{{Hancinema drama|Psychopath_Diary}}

Category:TvN (South Korean TV channel) television dramas

Category:Korean-language television shows

Category:2019 South Korean television series debuts

Category:2020 South Korean television series endings

Category:Television series by Studio Dragon

Category:Television series by KeyEast

Category:South Korean comedy television series

Category:South Korean thriller television series