Jang In-sub Filmography
| 2025 | Don't Call Me Ma'am (TV Series) · as Oh Sang-Min |
| 2025 | Mantis · as Yoon-Sub (archive Footage) |
| 2025 | The Art of Negotiation (TV Series) · as Cha Ho-Jin |
| 2024 | The Midnight Romance in Hagwon (TV Series) · as Yoon Ji-Seok |
| 2024 | Doctor Slump (TV Series) · as Plastic Surgeon |
| 2023 | Gyeongseong Creature (TV Series) · as Comrade |
| 2023 | Goryeo-Khitan War (TV Series) · as Hwangbo Yu-Ui |
| 2023 | Kill Boksoon · as Yoon-Sub |
| 2022 | |
| 2021 | Casting a Spell to You (TV Series) · as So Sang Hee |
| 2021 | The One and Only (TV Series) · as Oh Jin-Kyu |
| 2021 | |
| 2021 | Snowdrop (TV Series) · as Eung-Chul |
| 2021 | Taxi Driver (2021) (TV Series) · as Choi Seong-Eun |
| 2020 | Find Me in Your Memory (TV Series) · as Park Soo-Chang |
| 2020 | Rugal (TV Series) · as Bradley |
| 2019 | Justice (2019) (TV Series) · as Chief Choi |
| 2018 | Devilish Joy (TV Series) · as Yang Woo-Jin |
| 2018 | Suits (KR) (TV Series) · as Jang Seok-Hyeon |
| 2018 | Grand Prince (TV Series) · as Do Jeong-Gook |
| 2017 | Drama Stage (TV Series) · as Cast |
| 2017 | Two Cops (TV Series) · as Jo Min-Seok |
| 2017 | |
| 2017 | The Merciless · as Min-Chul |
| 2017 | Queen of Mystery (TV Series) · as Woo-Cheol |
| 2016 | The Cabinet of Francis · as Jihwan |
| 2016 | Kissing Cousin · as Taeik |
| 2016 | Love, Lies · as Hong-Seok |
| 2016 | Bong's Happy Restaurant (TV Series) · as Bong Man-Ho |
| 2015 | Fatal Intuition · as Rookie Detective |
| 2015 | The Phone · as Department Head Kim |
| 2015 | All About My Mom (TV Series) · as Sin Jae-Min |
| 2015 | Mrs. Cop (TV Series) · as Public Prosecutor Go |
| 2015 | Who Are You: School 2015 (TV Series) · as Seong Yoon-Jae |
| 2014 | Secret Door (TV Series) · as Jang Dong-Gi |
| 2014 | What Happens to My Family? (TV Series) · as Dal-Bong's Friend |
| 2014 | No Tears for the Dead · as Financial Crimes Team Member |
| 2014 | A Hard Day · as Police Officer |
| 2013 | Steel Cold Winter · as Young-Jae |
| 2013 | Hwayi: A Monster Boy · as Detective Chang-Ho |
| 2010 | KBS Drama Special (TV Series) |