Description
Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for 20 years, only to find themselves unwelcome by the expedition's lone survivor and warned of destruction by an invisible force if they don't turn back immediately.
Casts:
Walter Pidgeon
Anne Francis
Leslie Nielsen
Warren Stevens
Jack Kelly
Earl Holliman
Richard Anderson
George D. Wallace
