I Saw the Devil (2010): movie guide

What is I Saw the Devil about?

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 highlights

I Saw the Devil features Lee Byung-hun, Choi Min-sik, Jeon Kuk-hwan, Cheon Ho-jin, Oh San-ha, Kim Yoon-seo. Open the Cinema Box title page for the full cast list and character credits.

Key facts

Release date: 2010-08-12. Runtime: 144 minutes. TMDB score: 7.8/10 (3,235 votes). Genres: Thriller, Horror. Original language: ko. Status: Released.

Discover I Saw the Devil on Cinema Box

Cinema Box is a movie and TV discovery app for Android. Use it to browse I Saw the Devil, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.

Frequently asked questions

What genre is I Saw the Devil?

I Saw the Devil is listed as Thriller, Horror on TMDB.

How long is I Saw the Devil?

I Saw the Devil runs about 144 minutes.

Who stars in I Saw the Devil?

Cast highlights include Lee Byung-hun, Choi Min-sik, Jeon Kuk-hwan, Cheon Ho-jin, Oh San-ha, Kim Yoon-seo.

Does Cinema Box stream I Saw the Devil?

No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.

Where can I track I Saw the Devil?

Open the I Saw the Devil page on cinemabox.app or install the official Cinema Box Android app from Google Play for watchlists and discovery tools.