Released: Jan 28, 1971
Runtime: 97 minutes
Genre: Kauhu
Stars: Patrick Wymark, Linda Hayden, Barry Andrews, Michele Dotrice, Wendy Padbury, Anthony Ainley
Crew: Malcolm B. Heyworth (Producer), Weston Drury Jr. (Casting), Tony Tenser (Executive Producer), Peter L. Andrews (Producer), Robert Wynne-Simmons (Writer), Piers Haggard (Director)