Conquest of Space: Cast
Walter Brooke
Gen. Samuel T. Merritt
Eric Fleming
Capt. Barney Merritt
Mickey Shaughnessy
Sgt. Mahoney
Phil Foster
Jackie Siegle
William Redfield
Roy Cooper
William Hopper
Dr. George Fenton
Benson Fong
Imoto
Ross Martin
Andre Fodor
Vito Scotti
Sanella
John Dennis
Donkersgoed
Michael Fox
Elsbach
Joan Shawlee
Rosie McCann
Iphigenie Castiglioni
Mrs. Heinz Fodor
Rosemary Clooney
Musical Number (archive footage) (uncredited)