General Samuel T. Merritt (Walter Brooke), his son, Captain Barney Merritt (Eric Fleming), Sergeant Mahony (Mickey Shaughnessy), Jackie Siegle (Phil Foster), and Imoto (Benson Fong) are about to become the first mission to Mars. As they stop for repairs, the general losses it, trying to sabotage the mission along with it's precious cargo. He's been reading the bible too long and believes that the crew and ship are trespassing in God's space, where they have no right to be. His son with have to take control of the situation if there is any chance of survival.
Director: Byron Haskin
Writers: James O'Hanlon, Philip Yordan, Barré Lyndon
Producer: George Pal