I Saw the Devil

The story

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.

Cast & crew

Lee Byung-hunKim Soo-hyeon

Choi Min-sikKyung-chul

Jeon Kuk-hwanSquad Chief Jang

Cheon Ho-jinSection Chief Oh

Oh San-haJoo-yeon

Kim Yoon-seoSe-yeon

Nam Bo-raSection Chief's Daughter

Lee Jun-hyeokNIS Agent

Yoon Chae-yeongNurse Han Song-i

Choi Mu-sungTae-joo

Kim In-seoSe-jung

Kim Kap-sooPlanning Team Deputy Head