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