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