Cast & crew
Voice (2005)
Directed by Choi Equan Written by Choi Equan, Joon-Seok Sol
Cast
| Jeon Yeo-jin | Hwa-jung |
| Eun-kyeong Na | Mi-hee |
| Yoon Young | Hye-sun |
| Seon Ju-yeon | Jin-young |
| Seo Ji-hye | Seon-min |
| Kim Ok-bin | Young-eon |
| Cha Ye-ryun | Cho-ah |
| Kim Seo-hyung | Hee-yeon |
| Lim Hyun-kyung | Hyo-jung |
| Won Ae-ri | Myung-sook |
| Park Yun-gyeong | Eun-ha |
| Kim Pil | Teacher |
| Kim Bo-mi | Classmater |
| Kim Jung-young | Young-eon's mother |
| Han Jae-u | Gym teacher |
Crew
| Jung Jin-wook | Production Sound Mixer |
| Lee Choon-yun | Executive Producer |
| Chun Roy-kyoung | Producer |
| Choi Equan | Writer |
| Choi Equan | Director |
| Joon-Seok Sol | Writer |
| Kim Yong-heung | Director of Photography |
| Choi Jin-young | Assistant Director |
| Lee Mi-young | Executive Producer |
| Yun Mi-ra | Costume Design |
| Choi Moon-Hwan | Stunts |
| Lee Seok-hwan | Lighting Director |
| Oh Sang-man | Set Decoration |
| Hong Jang-pyo | Special Effects Supervisor |
| Lee Byung-hoon | Original Music Composer |
| Kim Sun-min | Editor |