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