Cast
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
Marion Ross
Angela Fields
Dolph Sweet
Missile Commander
Byron Morrow
Secretary of State
Lew Brown
Peterson
Sid McCoy
Secretary of Defense
James Hong
Dr. Chin
Robert Cornthwaite
First Scientist
