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