The U.S. has handed over control of its nuclear defense system to the Colossus supercomputer designed by scientist Dr. Charles Forbin. It soon becomes clear, that the now-sentient Colossus is far more intelligent than its creator realized—with the fate of the world hanging in the balance.

Eric Braeden
Dr Charles Forbin

Susan Clark
Dr. Cleo Markham

Gordon Pinsent
The President

William Schallert
CIA Director Grauber

Georg Stanford Brown
Dr. John F. Fisher

Willard Sage
Dr. Blake

Alex Rodine
Dr. Kuprin

Martin E. Brooks
Dr. Jefferson J. Johnson
233 ratings. The score is reasonably stable but could shift up to 0.13 as more ratings come in.
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Release Date
April 8, 1970
Runtime
1h 40m
Genres
Science Fiction, Thriller
Director