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.

Cast

Lee Byung-hun

Choi Min-sik

Jeon Kuk-hwan

Cheon Ho-jin

Oh San-ha

Kim Yoon-seo

Nam Bo-ra

Lee Jun-hyeok