Tom Tryon
Capt. Richmond Talbot
Brian Keith
Maj. Gen. John M. Vanneman
Edmond O'Brien
McClosky aka 'Mac'
Dany Saval
Lyrae
Bob Sweeney
Sen. Henry McGuire
Tommy Kirk
Walter Talbot
Kent Smith
Secretary of the Air Force
Sarah Selby
Mrs. Talbot
Nancy Kulp
Nutritionist Officer
Bert Remsen
Brennan
Harp McGuire
Federal Security Driver
Simon Scott
Medical Officer
Robert Brubaker
Space Flight Technician (uncredited)
Walt Davis
Air Force Officer (uncredited)
