 | 설경구 als Byung-su |
 | 김남길 als Tae-ju |
 | 김설현 als Eun-hee |
 | 오달수 als Byung-man |
 | 황석정 als Yeon-ju |
 | 길해연 als Maria |
 | 이병준 als Poetry Instructor |
 | 김민재 als Young Prosecutor |
 | 조재윤 als Doctor |
 | Choi Yoo-song als Byung-su's Mother |
 | Kim Han-joon als Detective |
 | 김혜윤 als Young Maria |
 | Jung Ji-woo als Girlfriend |
 | Lee Myung-ha als Police Officer |
| 원신연 | Director |
| 김영하 | Novel |
| Hwang Jo-yoon | Screenplay |
| 원신연 | Screenplay |
| Kim Jun-seong | Original Music Composer |
| Lee Hyeon-Myeong | Co-Producer |
| Shin Min-kyung | Editor |
| Lee Jong-geon | Production Design |
| 최영환 | Director of Photography |
| 공태원 | Sound Supervisor |
| Nam Seong-ju | Set Decoration |
| Lee Eun-ju | Makeup & Hair |
| Kim Hyeong-seok | Camera Operator |
| Ku Tae-jin | Producer |
| Lee Seung-Won | Assistant Director |
| Oh Jin-seok | Props |
| Jung Sung-jin | Visual Effects Supervisor |
| Kim Dae-jun | VFX Supervisor |
| Kim Min-soo | Stunt Coordinator |
| Kim Min-soo | Martial Arts Choreographer |
| Kim Min-soo | Action Director |
| Kim Do-su | Executive Producer |
| You Jeong-hun | Executive Producer |
| Kim Ho-sung | Lighting Director |
| Kim Kyoung-ho | Production Sound Mixer |
| Lee Hee-eun | Special Effects Makeup Artist |
| Hwang Chang-gi | Grip |
