Gen. Samuel T. Merritt
Walter Brooke
Capt. Barney Merritt
Eric Fleming
Elsbach
Michael Fox
Rosie McCann
Joan Shawlee
Mrs. Heinz Fodor
Iphigenie Castiglioni
Musical Number (archive footage) (uncredited)
Rosemary Clooney
Sgt. Mahoney
Mickey Shaughnessy
Jackie Siegle
Phil Foster
Roy Cooper
William Redfield
Dr. George Fenton
William Hopper
Imoto
Benson Fong
Andre Fodor
Ross Martin
Sanella
Vito Scotti
Donkersgoed
John Dennis
Makeup Artist
Wally Westmore
Producer
George Pal
Adaptation
Philip Yordan
Set Decoration
Sam Comer
Director
Byron Haskin
George Worthing Yates
Barré Lyndon
Book
Chesley Bonestell
Willy Ley
Associate Producer
Frank Freeman Jr.
Original Music Composer
Van Cleave
Director of Photography
Lionel Lindon
Editor
Everett Douglas
Art Direction
J. McMillan Johnson
Hal Pereira
Frank R. McKelvy
Visual Effects
Ivyl Burks
Jan Domela
John P. Fulton
Paul K. Lerpae
Irmin Roberts