Trailer
Cast
Georg Stanford Brown
Dr. John F. Fisher
Byron Morrow
Secretary of State
Paul Frees
Colossus (voice) (uncredited)
William Schallert
CIA Director Grauber
Martin E. Brooks
Dr. Jefferson J. Johnson
Dolph Sweet
Missile Commander
Sid McCoy
Secretary of Defense
James Hong
Dr. Chin
Tom Basham
Thomas L. Harrison
Robert Quarry
Scientist (uncredited)
Susan Clark
Dr. Cleo Markham
Marion Ross
Angela Fields
Don Ross
Logan US Air Force (uncredited)
Willard Sage
Dr. Blake
Alex Rodine
Dr. Kuprin
Robert Cornthwaite
First Scientist
William Traylor
Party Guest (uncredited)
Eric Braeden
Dr Charles Forbin
Gordon Pinsent
The President