Ko Se-won Filmography
| 2020 | Fatal Promise (TV Series) · as Kang Tae-In |
| 2019 | The Divine Move 2: The Wrathful · as Father |
| 2018 | The Last Empress (TV Series) · as Prime Minister |
| 2018 | What's Wrong with Secretary Kim (TV Series) · as Chairman Lee [yeong Joon's Father - Young] |
| 2018 | Partners for Justice (TV Series) · as Kang Yong (kang Hyeon's Brother) |
| 2018 | A Poem A Day (TV Series) · as Yoon-Joo's Ex-Husband |
| 2017 | Return of Bok Dan Ji (TV Series) · as Han Jung-Wook |
| 2016 | Here Comes Love (TV Series) · as Na Min-Soo |
| 2015 | The Outsider: Mean Streets · as Geon-Hee |
| 2014 | The Best Future (TV Series) · as Team Leader |
| 2014 | Be Arrogant (TV Series) · as Go Se Won |
| 2014 | Mother's Garden (TV Series) |
| 2012 | Mai Ratima · as Joon |
| 2012 | I'll Give You The Stars and The Moon (TV Series) · as Han Min-Hyuk |
| 2011 | Law of the Jungle (TV Series) |
| 2010 | |
| 2010 | KBS Drama Special (TV Series) · as Go Byeong-Tae |
| 2010 | Cinderella's Sister (TV Series) · as Hong Ki-Jung |
| 2007 | Ugly Miss Young-Ae (TV Series) · as Kim Hyuk-Gyu |
| 2009 | Invincible Youth (TV Series) · as Self - Special Guest |