| class="wikitable" |
| Year | Title | Role | Ref. |
|---|
| 2014 | Quiz of God 4 | Kang Soo-ha's son | [{{cite web|url=http://www.topstarnews.net/news/articleView.html?idxno=851551|title=고건한, 넷플릭스 오리지널 '스위트홈' 캐스팅…원작에 없는 최윤재 역으로 기|publisher=Top Star News|date=December 4, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161329/https://www.topstarnews.net/news/articleView.html?idxno=851551|url-status=live}}] |
| 2015 | Oh My Venus | Mr. Byeong | [{{cite web|url=https://www.sedaily.com/NewsView/1VKGALNVQ2|title='조장풍' 김민규, '고건한'으로 활동명 변경..'조선로코-녹두전'으로 첫인사|publisher=Seoul Economy|date=December 5, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161325/https://www.sedaily.com/NewsView/1VKGALNVQ2|url-status=live}}] |
| 2016 | Gogh, The Starry Night | Seo-won | [{{cite web|url=https://sports.chosun.com/news/ntype.htm?id=202007180100169730011531&servicedate=20200717|title=[인터뷰] '꼰대인턴' 고건한 "영탁·장성규 연기력에 자극받았죠"|publisher=Sports Chosun|date=December 6, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402162824/https://sports.chosun.com/news/ntype.htm?id=202007180100169730011531&servicedate=20200717|url-status=live}}] |
| rowspan="3" | 2017 | If We Were a Season | Lee Jung-ho | [{{cite web|url=https://sports.donga.com/3/all/20191122/98495491/1|title=[인터뷰] '녹두전' 고건한, "시청자가 찾는 연기자 꿈꾼다"|publisher=Sports Dong-A|date=December 7, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161325/https://sports.donga.com/3/all/20191122/98495491/1|url-status=live}}] |
| Fight for My Way | Moo-bin's colleague | [{{cite web|url=https://www.hankookilbo.com/News/Read/201906170992041034|title=김민규, 고건한으로 활동명 변경→ '녹두전'으로 새 출발 [공식]|publisher=Hankook Ilbo|date=December 8, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402162828/https://www.hankookilbo.com/News/Read/201906170992041034|url-status=live}}] |
| I'm Not a Robot | Ssanip | [{{cite web|url=http://www.sportsseoul.com/news/read/936491?ref=naver|title='꼰대인턴' 고건한 "컷 소리 나면 '진짜 얄밉다'는 반응, 기분 좋았죠"[SS인터뷰]|publisher=Sports Seoul|date=December 9, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161322/https://www.sportsseoul.com/news/read/936491?ref=naver|url-status=live}}] |
| rowspan="3" | 2018 | Partners for Justice | Kim Joon-tae | [{{cite web|url=http://www.sportsseoul.com/news/read/850554|title=고건한이 밝힌 #활동명 변경 #분량 욕심 #'스위트홈' 이진욱[SS인터뷰②]|publisher=Sports Seoul|date=December 10, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161322/https://www.sportsseoul.com/news/read/850554|url-status=live}}] |
| Tale of Fairy | Park Shin-seon | [{{cite web|url=https://tenasia.hankyung.com/topic/article/2019061745134|title='조장풍' 김민규, '고건한'으로 활동명 변경…KBS2 '녹두전'으로 사극 도전 (공식)|publisher=Ten Asia|date=December 11, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161352/https://tenasia.hankyung.com/topic/article/2019061745134|url-status=live}}] |
| Clean with Passion for Now | Jeon Young-shik | [{{cite web|url=http://osen.mt.co.kr/article/G1111165383|title='조장풍' 김민규→고건한 활동명 변경…"새 이름, 새 출발"|publisher=Osen|date=December 12, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161322/http://osen.mt.co.kr/article/G1111165383|url-status=live}}] |
| rowspan="3" |2019
| Birthday Letter | Jo Ham-duk | [{{cite web|url=http://pop.heraldcorp.com/view.php?ud=201909122143198607021_1|title='생일편지' 고건한, 히로시마 원폭에 사망…송건희 오열|publisher=The Korea Herald|date=December 14, 2020|access-date=January 1, 2021|archive-date=August 24, 2021|archive-url=https://web.archive.org/web/20210824032122/http://pop.heraldcorp.com/view.php?ud=201909122143198607021_1|url-status=live}}] |
| Special Labor Inspector | Kim Sun-woo | [{{cite web|url=https://www.newsen.com/news_view.php?uid=201906170913460310|title=김민규→고건한 활동명 변경, '녹두전'으로 사극 도전(공식입장)|publisher=Newsen|date=December 13, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161324/https://www.newsen.com/news_view.php?uid=201906170913460310|url-status=live}}] |
| The Tale of Nokdu | Yeon-geum | [{{cite web|url=http://www.xportsnews.com/?ac=article_view&entry_id=1128026|title='조장풍' 김민규, 고건한으로 활동명 변경…'녹두전' 출연[공식입장]|publisher=Ex Sports News|date=December 15, 2020|access-date=January 1, 2021|archive-date=September 23, 2021|archive-url=https://web.archive.org/web/20210923051554/https://www.xportsnews.com/?ac%3Darticle_view%26entry_id%3D1128026|url-status=live}}] |
| rowspan="2" | 2020 | Kkondae Intern | Oh Dong-geun | [{{cite web|url=https://www.hankookilbo.com/News/Read/202004161053766667|title='꼰대인턴' 박아인·고건한·홍승범, '선배라인' 3人 스틸 공개 (feat. 박해진)|publisher=Hankook Ilbo|date=December 16, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161323/https://www.hankookilbo.com/News/Read/202004161053766667|url-status=live}}] |
| Sweet Home | Choi Yoon-jae | [{{cite web|url=https://sports.donga.com/article/all/20201217/104492482/1|title=고건한, 넷플릭스 '스위트홈' 출연 "원작엔 없는 새 인물"|publisher=Sports Dong-A|date=December 17, 2020|access-date=January 1, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161324/https://sports.donga.com/article/all/20201217/104492482/1|url-status=live}}] |
| rowspan="3" | 2021 | Save Me Oldie | Yoo Gi-hyeon | [{{cite web|url=https://www.newsen.com/news_view.php?uid=202101220950518010|title='스위트홈' 고건한, 웹드 '구해줘 꼰대'서 구구단 하나와 호흡(공식)|publisher=Newsen|date=August 1, 2021|access-date=August 14, 2021|archive-date=April 2, 2023|archive-url=https://web.archive.org/web/20230402161321/https://www.newsen.com/news_view.php?uid=202101220950518010|url-status=live}}] |
| Revolutionary Sisters | Byun Sa-chae | [{{cite web|url=https://www.starnewskorea.com/stview.php?no=2021081419561749928|title='광자매' 김민호, 고건한에 김혜선 소개.."내 첫사랑이야"|publisher=StarNews|date=August 11, 2021|access-date=August 14, 2021|archive-date=August 14, 2021|archive-url=https://web.archive.org/web/20210814191913/https://star.mt.co.kr/stview.php?no=2021081419561749928|url-status=live}}] |
| You Are My Spring | Eun-ha's ex-boyfriend | [{{cite web|url=https://tenasia.hankyung.com/drama/article/2021080887324|title=고건한, 고원희 거짓 임신 폭로|publisher=Ten Asia|date=July 20, 2021|access-date=August 14, 2021|archive-date=September 19, 2021|archive-url=https://web.archive.org/web/20210919210626/https://tenasia.hankyung.com/drama/article/2021080887324|url-status=live}}] |
| rowspan="9" |2022 | Through the Darkness | Yang Yong-cheol | [{{cite news|url=https://entertain.naver.com/read?oid=003&aid=0010601721|title=고건한 '악의 마음을 읽는 자들' 합류…김남길과 호흡|author=Baek Seung-hoon|via=Naver|publisher=Newsis|access-date=August 7, 2021|language=ko|archive-date=August 14, 2023|archive-url=https://web.archive.org/web/20230814141539/https://entertain.naver.com/read?oid=003&aid=0010601721|url-status=live}}][{{cite web|url=https://entertain.naver.com/read?oid=108&aid=0003021230|title='악의 마음을 읽는 자들' 역시 김남길..첫방부터 터졌다 [종합]|author=Kim Mi-hwa|via=Naver|publisher=Star News|date=January 15, 2022|access-date=January 16, 2022|language=ko|archive-date=January 18, 2022|archive-url=https://web.archive.org/web/20220118182809/https://entertain.naver.com/read?oid=108&aid=0003021230|url-status=live}}] |
| Military Prosecutor Doberman | Yoon Sang-gi | [{{cite web|url=https://entertain.naver.com/now/read?oid=144&aid=0000789732|author=Ahn Byung-gil|title=고건한 '군검사 도베르만' 캐스팅 [공식]|trans-title=Go Geon-han Casting of 'Military Prosecutor Doberman' [Official]|publisher=Sports Kyunghyang|via=Naver|date=January 27, 2022|access-date=January 27, 2022|language=ko|archive-date=January 27, 2022|archive-url=https://web.archive.org/web/20220127022530/https://entertain.naver.com/now/read?oid=144&aid=0000789732|url-status=live}}] |
| Bloody Heart
| Kim Do-ryung
|[{{cite web|url=https://www.starnewskorea.com/stview.php?no=2022051110254568319|title=고건한, 성폭행범→군수사관→도령..'같은 사람 맞아?'|website=Star News Korea|date=December 2, 2024}}] |
| Poong, the Joseon Psychiatrist | Lee Ho-jun | [{{cite web|url=https://entertain.naver.com/read?oid=213&aid=0001224548|author=Kim Eun-jung|title=김민재, 김향기 살렸다…마음까지 고치는 '유세풍' [종합]|trans-title=Kim Min-jae, Kim Hyang-gi saved... 'You Se-poong' that heals the heart [General]|publisher=TV report|via=Naver|date=August 3, 2022|access-date=August 3, 2022|language=ko|archive-date=August 3, 2022|archive-url=https://web.archive.org/web/20220803054530/https://entertain.naver.com/read?oid=213&aid=0001224548|url-status=live}}] |
| The Law Cafe | Attorney Meng | rowspan=2|[{{cite web|url=https://entertain.naver.com/now/read?oid=109&aid=0004697314|last=Yeon|first=Hwi-seon|title=고건한, '유세풍'부터 '수리남'까지 이게 바로 '천의 얼굴|trans-title=From Go Kun-han, 'Sure-pung' to 'Suriname', this is the 'Face of a Thousand|publisher=Osen|via=Naver|date=September 13, 2022|access-date=September 13, 2022|language=ko|archive-date=September 13, 2022|archive-url=https://web.archive.org/web/20220913043335/https://entertain.naver.com/now/read?oid=109&aid=0004697314|url-status=live}}] |
| Narco-Saints | Dong-woo |
| Love in Contract | Lee Seon-ho | [{{cite web|url=https://entertain.naver.com/read?oid=421&aid=0006419491|author=Ahn Tae-hyun|title='월수금화목토' 박민영·고경표, 뜨거운 키스…난관 극복 로맨스 돌입|publisher=News1 Korea|via=Naver|date=October 27, 2022|access-date=November 6, 2022|language=ko|archive-date=November 6, 2022|archive-url=https://web.archive.org/web/20221106191004/https://entertain.naver.com/read?oid=421&aid=0006419491|url-status=live}}] |
| The Empire | Event Moderator | [{{cite web|url=https://www.hancinema.net/korean_drama_The_Empire-cast.html|title=The Empire - Cast (Korean Drama, 2022, 디 엠파이어: 법의 제국)|website=Hancinema|date=February 23, 2024}}] |
| Behind Every Star | Alex | [{{cite web|url=https://sports.khan.co.kr/entertainment/sk_index.html?art_id=202304080130003&sec_id=540201&pt=nv|title='모범택시2' 김채은, '무서운 언니' 윈디 캐릭터 실감 연기|website=Sports Trend|date=March 3, 2023|access-date=May 10, 2023|archive-date=May 10, 2023|archive-url=https://web.archive.org/web/20230510194804/https://sports.khan.co.kr/entertainment/sk_index.html?art_id=202304080130003&sec_id=540201&pt=nv|url-status=live}}] |
| rowspan="4" | 2023 | Taxi Driver 2 | Victor | [{{cite web |author=Choi Yoonna |date=March 30, 2023 |title=이제훈, 집단 폭행→성범죄 누명도…男아이돌 친구 사칭까지(모범택시2)[TV종합] |trans-title=Lee Je-hoon, group assault → sex crime false accusation... Even pretending to be a male idol friend (Model Taxi 2) [TV General] |url=https://entertain.naver.com/read?oid=382&aid=0001042271 |access-date=April 1, 2023 |publisher=Sports Donga |language=ko |via=Naver |archive-date=June 29, 2023 |archive-url=https://web.archive.org/web/20230629092345/https://entertain.naver.com/read?oid=382&aid=0001042271 |url-status=live }}] |
| Tale of the Nine Tailed 1938
| Jang San-beom
|[{{cite web|url=https://tenasia.hankyung.com/drama/article/2023052840174|title=[종합] 이동욱, '야인시대' 안재모 만났다…류경수 "죽여줄게" 선전포고('구미호뎐1938')|website=Ten Asia|date=July 29, 2024}}] |
| My Lovely Liar
| CEO's son
|[{{cite web|url=https://www.hancinema.net/korean_drama_My_Lovely_Liar-cast.html|title=My Lovely Liar - Cast (Korean Drama, 2023, 소용없어 거짓말)|website=Hancinema|date=September 22, 2024}}] |
| The Killing Vote | Jordan | [{{cite web|url=https://entertain.naver.com/read?oid=108&aid=0003163459|author=Han Hae-seon|title=고건한, 임지연과 언제 친구였대?..'국민사형투표' 캐스팅|publisher=Star News|via=Naver|date=June 29, 2023|access-date=June 29, 2023|language=ko|archive-date=June 29, 2023|archive-url=https://web.archive.org/web/20230629074951/https://entertain.naver.com/read?oid=108&aid=0003163459|url-status=live}}] |
| rowspan="3" |2024
| Love for Love's Sake
| Myung-ha's senior
|[{{cite web|url=https://www.tving.com/contents/E004125258|title=연애 지상주의 구역 1화|website=TVING|date=November 10, 2024}}] |
| Good Partner
| Kim Ho-seok
|[{{cite web|url=https://www.newsen.com/news_view.php?uid=202408181627071910|title="애는 엄마가 키워야" 찌질 애아빠 고건한, 분노 유발자(굿파트너)|website=Newsen|date=August 20, 2024}}] |
| Nothing Uncovered
| Cha Geum-sae
|[{{cite web|url=https://program.kbs.co.kr/2tv/drama/nothinguncovered/pc/detail.html?smenu=e126f2|script-title=ko:등장인물|trans-title=Characters|website=KBS|language=ko|access-date=March 4, 2024|archive-date=March 4, 2024|archive-url=https://web.archive.org/web/20240304012215/https://program.kbs.co.kr/2tv/drama/nothinguncovered/pc/detail.html?smenu=e126f2|url-status=live}}] |
| rowspan="2"|2025
| Love Scout
| Lee Kwang-hee
|[{{cite web |url=https://www.gukjenews.com/news/articleView.html?idxno=3174729 |last=Kim |first=Hyun-jung |date= January 3, 2025 |website=Gukje News |language=ko |script-title=ko:'나의 완벽한 비서' 인물관계도·몇부작·원작·출연진·OTT 알아보기 |trans-title='My Perfect Secretary' character relationship chart, number of episodes, original work, cast, OTT information |access-date=January 6, 2025}}] |
| The Scandal of Chunhwa
| Prince Hwaing
|[{{cite web|url=https://www.mk.co.kr/news/broadcasting-service/11247013|title='춘화연애담' 장률, 여심 장악하는 능청미+다정미|website=Maeil Kyungjae|date=February 21, 2025}}] |