Released: Feb 12, 1973
Runtime: 92 minutes
Genre: Kauhu, Science fiction
Stars: Peter Cushing, Lorna Heilbron, Christopher Lee, George Benson, Catherine Finn, Hedger Wallace
Crew: Freddie Francis (Director), Peter Spenceley (Screenplay), Jonathan Rumbold (Screenplay), Norman Priggen (Executive Producer), Tony Tenser (Executive Producer), Michael P. Redbourn (Producer)