Cast & crew
Conduct Zero (2002)
Directed by Joh Keun-shik Written by Lee Ji-hyung, Jeong Jin-wan, Joh Keun-shik, Lee Hae-jun, Lee Hae-young
Cast
| Ryoo Seung-bum | Pil |
| Gong Hyo-jin | young Bell |
| Lim Eun-kyung | Min-gyu |
| Kim Kwang-il | Sang |
| Kim Hee-jung | Nurse |
| Park Hyo-ju | Oh Choon-Bae |
| Geum Bo-ra | Bubba's Mother |
| Bong Tae-gyu | Ki-soo |
| Seo Myung-soo | Dan Vogel |
| An Kil-kang | Avversario Taekwondo |
| Yang Ik-june | Preso 2 |
| Jung Woo | Dan Vogel |
| Park Seong-bin | Chief |
Crew
| Lee Ji-hyung | Screenplay |
| Jeong Jin-wan | Screenplay |
| Park Moo-seung | Producer |
| Joh Keun-shik | Director |
| Park Sung-hun | Producer |
| Joh Keun-shik | Writer |
| Lee Hae-jun | Writer |
| Lee Hae-young | Writer |
| Choi Dae-sung | Production Sound Mixer |
| Kim Suk-won | Sound Supervisor |
| Bang Chu-seong | Producer |
| Rho Young-rae | Music |
| Kim Jae-beom | Editor |
| Cho Yong-kyu | Director of Photography |
| Han Mi-jin | Still Photographer |
| Jeon In-hwan | Assistant Director |
| Sin Jae-myeong | Fight Choreographer |
| μ΄μ£Όμ | Lighting Director |
| Lee Chul-ho | Production Design |
| Kim Sang-bum | Editor |