Description

Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for twenty years. They find themselves unwelcome by the expedition's lone survivor and warned of destruction by an invisible force if they don't turn back immediately.

Cast

Walter Pidgeon

Anne Francis

Leslie Nielsen

Warren Stevens

Jack Kelly

Earl Holliman

Richard Anderson

George D. Wallace

Robert Dix

Jimmy Thompson

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