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.
Walter Brooke
Eric Fleming
Mickey Shaughnessy
Phil Foster
William Redfield
William Hopper
Benson Fong
Ross Martin
Vito Scotti
John Dennis
Michael Fox
Joan Shawlee
Iphigenie Castiglioni
Rosemary Clooney