Cast & crew
I Saw the Devil (2010)
Directed by Kim Jee-woon Written by Park Hoon-jung, Kim Jee-woon
Cast
| Lee Byung-hun | Moo-hyeon |
| Choi Min-sik | Chul |
| Jeon Kuk-hwan | Jang |
| Cheon Ho-jin | Chief |
| Oh San-ha | Yeon-Wha |
| Kim Yoon-seo | Yeon-Wha |
| Nam Bo-ra | Elderly Woman's Daughter |
| Kim Kap-soo | Federal Team |
| Yoon Chae-yeong | Nurse |
| Lee Jun-hyuk | Nis |
| Choi Mu-sung | Tae-suk |
| Kim In-seo | Wan Jung |
| Um Tae-goo | Detective Fritz |
| Choi Jin-ho | Sector Director |
| Mi-nam Jeong | Gangster |
| Jo Deok-jae | Detective Fritz |
| Jang Jeong-won | Marks' Son |
| Park Seo-yeon | Homely Pension |
| Lee Seol-gu | Gangster |
| Kim Yeong-chan | Pharmacist |
| Goo Yong-wan | Corporal Harrigan |
| Kim Dae-hye | Office Worker |
| Kim Jae-geon | Doctor |
| Park Ji-yeon | Teacher |
| Son Young-soon | Bubba's Mother |
| Nam Hyeon-joo | Chief |
| Han Chul-woo | Park Ranger |
| Sin Jeong-hoon | Policeman |
| Han Se-joo | The Woman |
| Jo Myeong-yeon | Detective Fritz |
| Park Jeong-gi | Booking Sergeant |
| Kim Bong-soo | Jenny's Father |
| Kim Kang-il | GI |
| Sin Sin-Beom | Pharmacist |
| Seol Chang-hee | Detective Fritz |
| Yoon Byung-hee | Jang |
| Jung Tae-sung | Hotel Recepcionist |
| Jang In-seo | Black Student |
Crew
| Lee Jae-hyeok | Still Photographer |
| Kim Hyung-shek | Digital Colorist |
| Lee Jong-woo | Camera Operator |
| Yang Il-seok | VFX Supervisor |
| Lee Yoon-ho | Storyboard |
| Choi Tae-young | Sound Re-Recording Mixer |
| Kwak Tae-yong | Makeup Effects Designer |
| Jung Doo-hong | Fight Choreographer |
| Seok Min-u | Assistant Director |
| Son Min-jeong | Conceptual Design |
| Kim Byung-seo | Camera Operator |
| Gang Hye-yeong | Sound Editor |
| Kim Hyun-jung | Makeup & Hair |
| Jung Sung-jin | Visual Effects Supervisor |
| Pee Dae-sung | Special Effects Makeup Artist |
| Heo Myeong-haeng | Fight Choreographer |
| Daniel Son | VFX Supervisor |
| Jang Han-seung | Stunts |
| Jung Do-ahn | Special Effects Supervisor |
| Kang Jong-ik | VFX Supervisor |
| Jeon Sung-ho | Set Decoration |
| Han Jeong-uk | Stunts |
| Mowg | Original Music Composer |
| Lee Mo-gae | Director of Photography |
| Kim Kyung-tae | Production Sound Mixer |
| Lee Hee Kyung | Special Effects |
| Park Hoon-jung | Screenplay |
| Oh Seung-chul | Gaffer |
| Nam Na-young | Editor |
| Park Yong-ki | Sound Re-Recording Mixer |
| Choi Tae-young | Supervising Sound Editor |
| Lee Hee-eun | Makeup Effects Designer |
| Romain Bigorgne | Sound Effects Editor |
| Dong-Han Kim | Sound Effects Editor |
| Cho Hwa-sung | Production Design |
| Kim Jee-woon | Screenplay |
| Kim Jee-woon | Director |
| Kim Hyun-woo | Executive Producer |
| Cho Seong-won | Co-Executive Producer |
| Kim Byung-han | Conceptual Design |
| Kwon Yoo-jin | Costume Design |
| Nam Sung-ho | Line Producer |
| Kim Cho-hea | Set Decoration |
| Kim Jae-young | Producer |
| Kim Jung-hwa | Producer |
| Kim Mi-young | Editor |
| Suh Young-joo | Co-Executive Producer |
| Song Won-jong | Stunts |