Choi Jae-sup Filmography
| 2024 | The Auditors (TV Series) · as Kyung-Ryeol |
| 2024 | Frankly Speaking (TV Series) · as Jang Goo-Pal |
| 2024 | Chief Detective 1958 (TV Series) · as Factory Manager |
| 2023 | Target · as Worker |
| 2023 | Family: The Unbreakable Bond (TV Series) · as Bae Yeong-Dae |
| 2023 | Divorce Attorney Shin (TV Series) · as Ma Chun-Seok |
| 2022 | The King of Desert (TV Series) · as Richard |
| 2022 | The Forbidden Marriage (TV Series) · as Shin-Won's Family Servant |
| 2022 | Blind (2022) (TV Series) · as Choi Sun-Gil |
| 2022 | Poong, the Joseon Psychiatrist (TV Series) · as Eunuch Yoon |
| 2022 | Link: Eat, Love, Kill (TV Series) · as Go Chang-Soo |
| 2022 | In Our Prime · as Hanbok Teacher |
| 2022 | Juvenile Justice (TV Series) · as Motel Guy |
| 2021 | Squid Game (TV Series) · as Broker |
| 2020 | Tell Me What You Saw (TV Series) · as Investigator At The National Scientific, Criminal And Investigation Laboratory |
| 2019 | Forbidden Dream · as Yun Sa-Wung |
| 2019 | Her Private Life (TV Series) · as Duk Mi Imagining Autopsy |
| 2019 | Trap (TV Series) · as Reporter Go |
| 2018 | Don't Go Too Far · as Park Hyeon-Jin |
| 2018 | Feng Shui · as King Heon Jong's Eunuch |
| 2018 | Adulthood · as So-Yeong's Husband |
| 2018 | Witch's Love (TV Series) · as Kim Dong-Soo |
| 2018 | Cross (KR) (TV Series) · as Public Relations Manager |
| 2017 | Live Up to Your Name (TV Series) · as Redstart |
| 2017 | A Taxi Driver · as Delivery Driver |
| 2017 | Good Manager (TV Series) · as Club Owner |
| 2017 | Voice (TV Series) · as Park Jong Bum |
| 2016 | Dear My Friends (TV Series) · as Hee-Ja's Son |
| 2015 | Shoot Me in the Heart · as Podge |
| 2014 | Ode to My Father · as Korean Mine Worker |
| 2013 | Miss Korea (TV Series) · as Chinese Restaurant Delivery Man |
| 2012 | The Tower · as Taxi Driver |
| 2012 | Golden Time (2012) (TV Series) · as Park Won-Gook |
| 2012 | Feast of the Gods (TV Series) · as Joo Hyeon-Moo |
| 2011 | Fermentation Family (TV Series) · as Yoo Jeong-Ho |
| 2011 | |
| 2011 | Head · as Teaching Assistant Lim Hee-Cheol |
| 2011 | The Apprehenders · as Jang Seok-Cheol |
| 2011 | Detective K: Secret of Virtuous Widow · as Lee Bang (village Public Officer) |
| 2010 | KBS Drama Special (TV Series) · as Tae Gi-Ho |
| 2009 | The Sword with No Name · as Joseon's Japanese Authority |
| 2009 | Tidal Wave · as Dong-Soo |
| 2008 | Rough Cut · as Drunk Man At Club |
| 2006 | Tazza: The High Rollers · as Jin-Seop |
| 2006 | Bar Leged · as Dduk Bang Member #1 |
| 2006 | The Host · as Detective Agency Subordinate 1 (uncredited) |
| 2005 | Don't Look Back · as Fake Landlord |
| 2004 | The Bad Utterances · as Spectator #2 |
| 2003 | Oldboy · as 2003 Guard |