Cast & crew
Troubleshooter (2010)
Directed by Kwon Hyeok-jae Written by Ryoo Seung-wan, Kim Jeong-min, Kwon Hyeok-jae
Cast
| Sul Kyung-gu | Byeong-sik |
| Lee Jung-jin | Pil |
| Oh Dal-su | Choi |
| Lee Sung-min | Yoon Bom |
| Ju Jin-mo | Won Kyeong |
| Moon Jeong-hee | Shin Yoo-Shin |
| Song Sae-byuk | Jong |
| Lee Young-hoon | Psycho |
| Park Young-seo | Chi Chi |
| Jo Young-jin | Cheol-gu |
| Kim Yeon-soo | Doctor |
| Kim Hyang-gi | Tae-suk |
| Song Jae-ho | Hyung-joong |
| Kim Jung-pal | Chief |
| Park Jin-woo | Gangster |
| Lee Mu-saeng | Prosecutor |
| Hwang Byeong-gug | Fellow |
| Min Young | Communications |
| Ha Soo-ho | Security Guard |
| Lee Jun-hyeok | Dna. Mitroiu |
| Moon Jung-woong | Policeman |
| Lee Dong-jin | Policeman |
Crew
| Hyeon Chang-jo | Props |
| Jeon Jae-hyeong | Stunts |
| Ryoo Seung-wan | Producer |
| Jung Doo-hong | Fight Choreographer |
| Kwon Hyeok-jae | Director |
| Lee Tae-yeong | Stunts |
| Song Min-seok | Stunts |
| Kwon Ji-hoon | Stunts |
| Ryoo Seung-wan | Writer |
| Kim Jeong-min | Writer |
| Kwon Hyeok-jae | Writer |
| Bang Jun-seok | Original Music Composer |
| Jeong Seok-won | Director of Photography |
| Lee Jun-kyu | Production Manager |
| Jang Kyung-ik | Executive Producer |
| Lee Kang-bok | Executive Producer |
| Kim Na-hyeong | Costume Design |
| Kang Hye-jung | Producer |
| Kim Jeong-min | Producer |
| Steve M. Choe | Editor |
| Jung Do-ahn | Special Effects Supervisor |
| Lee Hee-kyoung | Special Effects Supervisor |
| Cho Min-ho | Production Sound Mixer |
| Kim Seong-hun | Lighting Director |
| 이진영 | Production Design |
| Sung Yoon-yong | Sound Supervisor |
| Lee In-gyu | Sound Supervisor |
| Choi Hye-lim | Makeup & Hair |
| Kim Yong-su | Visual Effects |