Crew
Robert A. Heinlein
Screenplay
AV
Alford Van Ronkel
Screenplay
Irving Pichel
Director
George Pal
Producer
JO
James O'Hanlon
Screenplay
Lionel Lindon
Director of Photography
Leith Stevens
Original Music Composer
Cast
John Archer
Jim Barnes
Warner Anderson
Dr. Charles Cargraves
Tom Powers
General Thayer
Dick Wesson
Joe Sweeney
Erin O'Brien-Moore
Emily Cargraves
Steve Carruthers
Businessman at Meeting (uncredited)
Franklyn Farnum
Factory Worker (uncredited)
Jack Gargan
Businessman at Meeting (uncredited)
Everett Glass
Mr. La Porte (uncredited)
Kenner G. Kemp
Businessman at Meeting (uncredited)
Knox Manning
Himself (uncredited)
MM
Mike Miller
Undetermined Secondary Role (uncredited)
