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