Jang Seo-won Filmography
| 2024 | The Killers · as Nam-Sik (segment "metamorphosis") |
| 2023 | My Perfect Stranger (TV Series) · as Park Chang-Sik (drill Instructor) [1987] |
| 2021 | The One and Only (TV Series) · as Jo Woong Do |
| 2020 | Live On (TV Series) · as History Teacher |
| 2018 | My Healing Love (TV Series) · as Cheon Gi-Dong |
| 2017 | Hospital Ship (TV Series) · as Yang Choon-Ho |
| 2015 | |
| 2013 | The Suspicious Housekeeper (KR) (TV Series) · as Lee Dong Shik |
| 2012 | Still You (TV Series) |
| 2011 | Heartstrings (TV Series) · as Lee Soo-Myung |
| 2010 | Secret Garden (TV Series) · as Hwang Jung-Hwan |
| 2010 | Come, Closer · as Woon-Cheol |
| 2009 | Cafe Seoul · as Ki-Bong |
| 2006 | Pruning the Grapevine · as Soo-Hyeon |
| 2005 | The Unforgiven · as Lee Seung-Young |
| 2012 | I Love Lee Tae Ri (TV Series) · as Jang Seo-Won |