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
