- Country: USA
- Genres: Sci-Fi
- Release: 1955-04-20
- Director: Byron Haskin
- Writers: Chesley Bonestell , Willy Ley , Philip Yordan , Barré Lyndon
- Language: English
- Stars: Walter Brooke , Eric Fleming , Mickey Shaughnessy (1920–1985) , Phil Foster , William Redfield , William Hopper , Benson Fong , Ross Martin , Vito Scotti , John Dennis (I) (1925–2004)
- Runtime: 81 min
- Awards: N/A
- AKA: La conquête de l'espace (Canada) , Himmelrummets vovehalse (Denmark) , Mars Project , A Conquista do Espaço (Brazil) , Världsrymdens erövrare (Sweden) , Покорение космоса , Conquest of Space (United Kingdom) , La conquista dello spazio (Italy) , Die Eroberung des Weltalls , Die Eroberung des Weltalls (Austria) , La conquista del espacio (Mexico) , Rymndens betvingare (Finland) , La conquista del espacio (Spain) , A Conquista do Espaço (Portugal, Portuguese Republic) , I kataktisis tou diastimatos (Greece) , Fezanın Fethi (Turkey) , Conquest of Space , La Conquête de l'espace (France, French Republic) , Podbój kosmosu (Poland) , Conquest of Space (United States of America) , De verovering van de ruimte (Belgium) , La conquête de l'espace (Belgium) , 宇宙征服 (Japan) , Epanastasis stous ouranous (Greece) , Avaruuden valloitus (Finland)
- Plot:
A team of American astronauts leave their space station on the first mission to Mars, but the captain’s religious beliefs may get in the way.
- IMDB:tt0047947
Conquest of Space Cast · · · ALL
Byron Haskin
Director
Walter Brooke
Gen. Samuel T. Merritt
Eric Fleming
Capt. Barney Merritt
Mickey Shaughnessy
(1920–1985)
Sgt. Mahoney
William Redfield
Roy Cooper
William Hopper
Dr. George Fenton
Benson Fong
Imoto
Ross Martin
Andre Fodor
Vito Scotti
Sanella
John Dennis
(I)
(1925–2004)
Donkersgoed
Michael Fox
Elsbach
Joan Shawlee
Rosie McCann
Iphigenie Castiglioni
Mrs. Heinz Fodor
Rosemary Clooney
Musical Number (archive footage) (uncredited)