Cast & crew
Twenty Years Old (2003)
Directed by Yoo In-sik Written by Kim Eun-young, 박민정
Cast
| Moon Ji-yoon | Sang |
| Yoo Seo-jin | Professor Pacoli |
| Gong Yoo | Joon-pyo |
| Lee Yu-ri | Chae |
| Jung Sung-yoon | Hyun-woo |
| Jo Dal-hwan | Mun-seok |
| Lee Mi-young | Sang |
| Shoo | Ki-soo |
| Lim Seong-eon | Min-gyu |
| Kim Yong-geon | Sang |
| Kim Ji-woo | Song Liling |
Crew
| Lee Yong-seok | Co-Director |
| Kim Eun-young | Writer |
| 박민정 | Writer |
| Yoo In-sik | Director |