Vrijgegeven: Dec 17, 1972
Looptijd: 99 minuten
Genre: Sciencefiction, Thriller, Mysterie, TV Film, Horror
Sterren: Leonard Nimoy, Susan Hampshire, Rachel Roberts, Vera Miles, Jewel Blanch, Valerie Taylor
Crew: Philip Leacock (Director), Theodore Apstein (Teleplay), Philip Leacock (Producer), Norman Felton (Executive Producer), John Oldknow (Associate Producer), Bill Blunden (Editor)