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.
Dr Charles Forbin
Dr. Cleo Markham
The President
CIA Director Grauber
Dr. John F. Fisher
Dr. Blake
Dr. Kuprin
Dr. Jefferson J. Johnson
Angela Fields
Missile Commander
Secretary of State
Peterson
Secretary of Defense
Dr. Chin
First Scientist
Thomas L. Harrison
Russian Chairman
Translator
Military officer on phone (uncredited)
Colossus (voice) (uncredited)
Military Computer Entry - Missile Launch (uncredited)
Scientist (uncredited)
Logan US Air Force (uncredited)
Party Guest (uncredited)
