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.
Walter Pidgeon
as Dr. Edward Morbius
Anne Francis
as Altaira Morbius
Leslie Nielsen
as Commander John J. Adams
Warren Stevens
as Lt. 'Doc' Ostrow
Jack Kelly
as Lt. Jerry Farman
Earl Holliman
as Cookie
Richard Anderson
as Chief Engineer Quinn
George D. Wallace
as Bosun
Robert Dix
as Crewman Grey
Jimmy Thompson
as Crewman Youngerford
James Drury
as Crewman Strong
Harry Harvey Jr.
as Crewman Randall
