Sci-Fi Thriller
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.
Directed by
Joseph Sargent
Eric Braeden
Dr Charles Forbin
Susan Clark
Dr. Cleo Markham
Martin E. Brooks
Dr. Jefferson J. Johnson
Alex Rodine
Dr. Kuprin
Don Ross
Logan US Air Force (uncredited)
Dolph Sweet
Missile Commander
Byron Morrow
Secretary of State
James Hong
Dr. Chin
Tom Basham
Thomas L. Harrison
Gordon Pinsent
The President
Willard Sage
Dr. Blake
Marion Ross
Angela Fields
Robert Quarry
Scientist (uncredited)
Paul Frees
Colossus (voice) (uncredited)
William Schallert
CIA Director Grauber
Robert Cornthwaite
First Scientist
Georg Stanford Brown
Dr. John F. Fisher
William Traylor
Party Guest (uncredited)
Sid McCoy
Secretary of Defense
Lew Brown
Peterson
Leonid Rostoff
Russian Chairman
Serge Tschernisch
Translator
John Davey
Military officer on phone (uncredited)
Fred Holliday
Military Computer Entry - Missile Launch (uncredited)

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