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Jeff Morrow | Exeter | |
Faith Domergue | Dr. Ruth Adams | |
Rex Reason | Dr. Cal Meacham | |
Lance Fuller | Brack | |
Russell Johnson | Steve Carlson | |
Douglas Spencer | The Monitor of Metaluna | |
Robert Nichols | Joe Wilson | |
Karl Ludwig Lindt | Dr. Adolph Engelborg (as Karl L. Lindt) | |
Charlotte Lander | Metaluna woman at decompression console | |
Jack Byron | Photographer (uncredited) |
Director |
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Producer | William Alland
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Writer | Raymond F. Jones
Franklin Coen |
Aliens come to Earth seeking scientists to help them in their war. |