Cast & crew
Bleak Night (2011)
Directed by Yoon Sung-hyun Written by Yoon Sung-hyun
Cast
| Seo Jun-young | Ding Dong |
| Lee Je-hoon | GI |
| Park Jeong-min | Joon-pyo |
| Lee Cho-hee | Se-jin |
| Cho Seong-ha | Jenny's Father |
| Bae Je-gi | Jae-yeong |
| Kim Lok-kyoung | Moo-hyeon |
| Heo Ji-won | Won Kyeong |
| Shin Un-seop | Detective Fritz |
Crew
| Yoon Sung-hyun | Writer |
| Kwon Gwi-deok | Martial Arts Choreographer |
| Kang Bong-sung | Production Sound Mixer |
| Lee Seok-sool | Assistant Director |
| Yoon Sung-hyun | Director |
| Byun Bong-sun | Director of Photography |
| Kang Yeong-su | Production Design |
| Lee Seung-chul | Sound Supervisor |
| Yoon Sung-hyun | Costume Design |
| Ray L. Hong | Line Producer |
| Jang Hyeon-su | Producer |
| Yoon Sung-hyun | Editor |
| Park Min-jun | Original Music Composer |
| Song Hyun-suk | Lighting Director |
| Park Ki-yong | Executive Producer |
| Kim Soo-hyun | Sound Designer |