Billion Dollar Brain (1967)

A former British spy stumbles into in a plot to overthrow Communism with the help of a supercomputer. But who is working for whom?

Genres: Thriller

What to watch after Billion Dollar Brain

• The Fourth Protocol (1987) — Same subject: cold war
• Head (1968) — Two steps away in the credits
• Topaz (1969) — Same feel: tense, suspenseful
• The Manhattan Project (1986)
• Brain Dead (1990)
• Altered States (1980) — Ken Russell directed both