4th Period Mystery
| MPAA Rating: | NR |
| Genre: | Action, Crime, Mystery, Drama, Thriller |
| Directed By: | Sang-Yong Lee |
| Written By: | Sin Dong-Yeop |
| Cast: | Yeong-Gi Jeong, Soo-Hyang Im, Seok-Yong Jeong, Jong-Hwan Lee, Seung-Ho Yoo, Dong-Beom Kim, In-Sook Choi, So-Ra Kang, Jae-Sang Han, Yun-Hie Jo, Chi-Yong Ahn, Cheol-Min Park, Min-Su Kim, Yeong-Jin Lee, Jeon Joon-Hong, Ji-Yeong Yoon, Jo Sang-Geun, Chan Ho Lee, Kyeong-Jin Min, Joon-Hyeok Kim |
| In Theaters: | Aug 12, 2009 |
| Runtime: | 1 hour 26 minutes |
Followers: 0