I Saw the Devil (Korean: 악마를 보았다) is a 2010 South Korean action thriller film directed by Kim Jee-woon and written by Park Hoon-jung. Starring Lee Byung-hun and Choi Min-sik, the film follows NIS agent Kim Soo-hyun (Lee), who embarks on a quest of revenge when his wife is brutally murdered by the psychopathic serial killer Jang Kyung-chul (Choi). I Saw the Devil made its premiere in the United States at the 2011 Sundance Film Festival and had a limited U.S. theatrical release.
I Saw the Devil was Choi Min-sik's first major role since the changes to the Korean screen quota system.
00:00 Intro
00:27 About Kim soo hyun
01:58 Film analysis
46:36 ending