Peter Graves
Chris Cronyn
Andrea King
Linda Cronyn
Herbert Berghof
Franz Calder
Marvin Miller
Arjenian
Orley Lindgren
Stewart Cronyn
Walter Sande
Admiral Bill Carey
Willis Bouchey
President
Morris Ankrum
Secretary of Defense Sparks
George Blagoi
Russian Official (uncredited)
Bayard Veiller
Roger Cronyn
Tom Keene
Maj. Gen. George Burdette
Colin Kenny
Mine Owner
House Peters Jr.
Dr. Boulting - Mitchell's Assistant