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