Watch Billion Dollar Brain

Billion Dollar Brain is an espionage comedy/thriller, starring Michael Caine as ex-MI-5 agent turned private investigator Harry Palmer. He stumbles into a plot to overthrow communism, using a super computer (the Billion Dollar Brain). With his old friend Leo Newbigen, played by Karl Malden, Palmer goes from Finland to Latvia to Texas to London, never sure whom he can trust as he attempts to prevent World War III. Billion Dollar Brain is the third of five movies starring Michael Caine as Harry Palmer and is based on the Len Deighton novel of the same name.

Billion Dollar Brain is a 1967 thriller with a runtime of 1 hour and 51 minutes. It has received moderate reviews from critics and viewers, who have given it an IMDb score of 6.0.

Where to Watch Billion Dollar Brain

Billion Dollar Brain is available to watch free on Pluto TV. It's also available to stream, download and buy on demand at Apple TV+, FlixFling, The Roku Channel, FlixFling VOD and Vudu. Some platforms allow you to rent Billion Dollar Brain for a limited time or purchase the movie and download it to your device.