影片虚构了一场登陆火星的航天计划。但不幸的是，电影编剧破坏了电影缜密的调查研究，粗制滥造了一些情节，比如影片最后指挥官以奇怪的宗教立场中止了登陆火星行动。
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)
