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.
Top cast
Below are the streaming services currently carrying the movie “I Saw the Devil” in the United States, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United States can differ from other countries.
Where to watch I Saw the Devil in United States
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Not currently available on the supported providers in United States.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 22 Sept 2026.