출연진
Bert Remsen
Brennan
Douglas Evans
Colonel (uncredited)
John Holland
Joe McCord (uncredited)
Edmond O'Brien
McClosky aka 'Mac'
Kent Smith
Secretary of the Air Force
Bob Hastings
Motorist (uncredited)
Guy Wilkerson
Conventioneer in Elevator (uncredited)
Jo Anne Worley
Beatnik Girl in Lineup (uncredited)
Simon Scott
Medical Officer
Brian Keith
Maj. Gen. John M. Vanneman
Dany Saval
Lyrae
Nancy Kulp
Nutritionist Officer, Space Flight Nutritionist (uncredited)
Robert Brubaker
Space Flight Technician (uncredited)
Tom Tryon
Capt. Richmond Talbot
Bob Sweeney
Sen. Henry McGuire
Tommy Kirk
Walter Talbot
Harp McGuire
Federal Security Driver, Federal Security Driver (uncredited)
Sarah Selby
Mrs. Talbot
Kenner G. Kemp
Conventioneer in Hotel Lobby (uncredited)
Muriel Landers
Fat Lady (uncredited)
Karen Norris
Bridge Player (uncredited)
John Zaremba
Security Officer Conducting Lineup (uncredited)
Nelson Olmsted
Police Officer Dennis (uncredited)
샐리 필드
Beatnik Girl in Lineup (uncredited)
Jeffrey Sayre
Conventioneer in Hotel Lobby (uncredited)
Arthur Tovey
Conventioneer in Hotel Lobby (uncredited)