"Four scientists and a newsman crash land on Mars and meet martians who act friendly."
Arthur Franz
as Dr. Jim Barker
Virginia Huston
as Carol Stafford
Cameron Mitchell
as Steve Abbott
John Litel
as Dr. Lane
Richard Gaines
as Prof. Jackson
Morris Ankrum
as Ikron
Marguerite Chapman
as Alita
Lucille Barkley
as Terris
Robert Barrat
as Tillamar
Edward Earle
as Justin (uncredited)
William Forrest
as General (uncredited)
David Bond
as Ramay (uncredited)
Stanley Blystone
as Councilman (uncredited)
Tris Coffin
as Commentator (uncredited)
Everett Glass
as Montar (uncredited)
Trevor Bardette
as Alzar (uncredited)
Lesley Selander
Director
Harry Neumann
Director of Photography
Arthur Strawn
Screenplay
Richard V. Heermance
Editor
Marlin Skiles
Original Music Composer
Walter Mirisch
Producer
