I Saw the Devil
Kyung-chul is a dangerous psychopath who kills for pleasure. Soo-hyeon, a top-secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take vengeance against the killer, even if it means that he must become a monster himself.
Lee Byung-hun
Kim Soo-hyeon
Choi Min-sik
Kyung-chul
Jeon Kuk-hwan
Squad Chief Jang
Cheon Ho-jin
Section Chief Oh
Oh San-ha
Joo-yeon
Kim Yoon-seo
Se-yeon
Nam Bo-ra
Section Chief's Daughter
Lee Jun-hyuk
NIS Agent
Yoon Chae-yeong
Nurse Han Song-i
Choi Moo-seong
Tae-joo
Kim In-seo
Se-jung
Kim Kap-soo
Planning Team Deputy Head
Um Tae-goo
Detective
Choi Jin-ho
Planning Director
Mi-nam Jeong
Gangster in Taxi
Jo Deok-jae
Detective Kang
Jang Jeong-won
Kyung-chul's Son
Park Seo-yeon
Woman at Pension
Lee Seol-gu
Gangster in Taxi
Kim Yeong-chan
Young Pharmacist
Goo Yong-wan
Corporal
Kim Dae-hye
Hospital Worker
Kim Jae-geon
Old Doctor
Park Ji-yeon
Teacher
Son Young-soon
Kyung-chul's Mother
Nam Hyeon-joo
Section Chief Oh's Wife
Han Chul-woo
Detective Park
Sin Jeong-hoon
Policeman at Stream
Han Se-joo
Woman on Bus
Park Jeong-gi
Sergeant
Jo Myeong-yeon
Detective
Kim Bong-soo
Kyung-chul's Father
Kim Kang-il
Park Han-gi
Sin Sin-Beom
Old Pharmacist
Seol Chang-hee
Detective
Yoon Byung-hee
Jang-goo
Jung Tae-sung
Hotel Agent
Jang In-seo
Student
Kang Jong-ik
VFX Supervisor
Jung Do-ahn
Special Effects Supervisor
Jeon Sung-ho
Set Decoration
Han Jeong-uk
Stunts
Kim Kyung-tae
Production Sound Mixer
Park Hoon-jung
Screenplay
Lee Mo-gae
Director of Photography
Mowg
Original Music Composer
Oh Seung-chul
Gaffer
Nam Na-young
Editor
Lee Hee Kyung
Special Effects
Lee Yoon-ho
Storyboard
Kim Hyung-shek
Digital Colorist
Lee Jong-woo
Camera Operator
Yang Il-seok
VFX Supervisor
Lee Jae-hyeok
Still Photographer
Kim Jee-woon
Director
Kim Jee-woon
Screenplay
Cho Hwa-sung
Production Design
Kwak Tae-yong
Makeup Effects Designer
Lee Hee-eun
Makeup Effects Designer
Romain Bigorgne
Sound Effects Editor
Choi Tae-young
Supervising Sound Editor
Choi Tae-young
Sound Re-Recording Mixer
Dong-Han Kim
Sound Effects Editor
Park Yong-ki
Sound Re-Recording Mixer
Jung Doo-hong
Fight Choreographer
Kim Byung-seo
Camera Operator
Gang Hye-yeong
Sound Editor
Seok Min-u
Assistant Director
Son Min-jeong
Conceptual Design
Kim Hyun-jung
Makeup & Hair
Kwon Yoo-jin
Costume Design
Kim Mi-young
Editor
Kim Byung-han
Conceptual Design
Kim Jae-young
Producer
Kim Jung-hwa
Producer
Cho Seong-won
Co-Executive Producer
Kim Hyun-woo
Executive Producer
Nam Seong-ho
Line Producer
Kim Cho-hea
Set Decoration
Heo Myeong-haeng
Fight Choreographer
Jung Sung-jin
Visual Effects Supervisor
Pi Dae-seong
Special Effects Makeup Artist
Jang Han-seung
Stunts
Son Seung-hyun
VFX Supervisor