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.
Kim Soo-hyeon
Kyung-chul
Squad Chief Jang
Section Chief Oh
Joo-yeon
Se-yeon
Section Chief's Daughter
NIS Agent
Nurse Han Song-i
Tae-joo
Se-jung
Planning Team Deputy Head
Detective
Planning Director
Gangster in Taxi
Detective Kang
Kyung-chul's Son
Woman at Pension
Gangster in Taxi
Young Pharmacist
Corporal
Hospital Worker
Old Doctor
Teacher
Kyung-chul's Mother
Section Chief Oh's Wife
Detective Park
Policeman at Stream
Woman on Bus
Sergeant
Detective
Kyung-chul's Father
Park Han-gi
Old Pharmacist
Detective
Jang-goo
Hotel Agent
Student
VFX Supervisor
Special Effects Supervisor
Set Decoration
Stunts
Production Sound Mixer
Gaffer
Original Music Composer
Editor
Director of Photography
Screenplay
Special Effects
Storyboard
Digital Colorist
Camera Operator
VFX Supervisor
Still Photographer
Director
Supervising Sound Editor
Sound Re-Recording Mixer
Sound Re-Recording Mixer
Screenplay
Makeup Effects Designer
Production Design
Sound Effects Editor
Sound Effects Editor
Makeup Effects Designer
Fight Choreographer
Camera Operator
Sound Editor
Assistant Director
Conceptual Design
Makeup & Hair
Costume Design
Editor
Conceptual Design
Executive Producer
Producer
Producer
Co-Executive Producer
Line Producer
Set Decoration
Fight Choreographer
Visual Effects Supervisor
Special Effects Makeup Artist
Stunts
VFX Supervisor
Co-Executive Producer