Koo Ja-sung
6 credits on this site.
TV series featuring Koo Ja-sung
- Motel California (2025) as Cha Seung-eon
- Sponsor (2022) as Hyun Seung-hoon
- Genesis (2021) as Kim Min Ki
- Was It Love? (2020) as Oh Yun Woo
- The Secret Life of My Secretary (2019) as Ki Dae-Joo
- Misty (2018) as Kwak Ki-seok