Cast & crew
Sex Is Zero (2002)
Directed by JK Youn Written by JK Youn
Cast
| Ju Myeong-cheol | Sung-kook's minion |
| Sunwoo Eun-Sook | Eun-hyo's mother |
| Jang Soo-jin | Aerobics Athlete in the Practice Studio |
| Park Jun-gyu | Pervert |
| Choi Won-young | Park Chan-soo |
| Lee Si-yeon | Lee Dae-hak |
| Jo Dal-hwan | Jo Dal-hwan |
| Yun Si-hu | Jo Yun-kyung |
| Ham So-won | Kim Hyun-hee |
| Nam Chang-hee | Pervert |
| Jung Kyung-ho | Sung-kook's minion |
| Shin Yi | Kyeong-joo |
| Ki Joo-bong | OB / Gyn Doctor |
| Jung Min | Sung-ok |
| Im Chang-jung | Eun-sik |
| Ha Ji-won | Eun-hyo |
| Choi Sung-kook | Choi Sung-kook |
| Yoo Chae-young | Yoo-mi |
| Jin Jae-young | Ji-won |
Crew
| Im Se-ho | Martial Arts Choreographer |
| JK Youn | Screenplay |
| JK Youn | Director |
| JK Youn | Producer |
| Song Jae-seok | Lighting Director |
| Kim Yong-cheol | Director of Photography |
| Cha Sun-young | Costume Design |
| Lee Ji-seung | Producer |
| Kim Byeong-gi | Special Effects Supervisor |
| Gu Jin-o | Production Design |
| So Won-jong | Sound Supervisor |
| Kim Sun-min | Editor |
| Park Yeong-cheol | Original Music Composer |
| Lee Choong-hwan | Production Sound Mixer |