Casts
Christopher Lee
J.D. Morley
Boris Karloff
Professor John Marsh
Mark Eden
Robert Manning
Virginia Wetherell
Eve Morley
Barbara Steele
Lavinia Morley
Michael Gough
Elder
Roger Avon
Sergeant Tyson (uncredited)
Michael Warren
Chauffeur (uncredited)
Rosemarie Reede
Esther
Denys Peek
Peter Manning (uncredited)
Ron Pember
Petrol Attendant (uncredited)
Rupert Davies
The Vicar (uncredited)
Derek Tansley
Judge (uncredited)
Nicholas Head
Blacksmith (uncredited)
Nova St. Clair
Girl Chased by Cars
Terry Raven
First Car-Chase Driver
Douglas Mitchell
2nd Car-Chase Driver
Vivienne Carlton
Sacrifice Victim (uncredited)
Nita Lorraine
Woman with whip (uncredited)
Tasma Berenton
Party Girl Being Painted
Vicky Richards
Party Girl Belly-Dancing
Carol Anne
1st Virgin (uncredited)
Jenny Shaw
2nd Virgin (uncredited)
Kevin Smith
Party Drunk
Vikki Richards
Belly Dancer at Party
Crews
Vernon Sewell
Director
Mervyn Haisman
Screenplay
Henry Lincoln
Screenplay
Tony Tenser
Executive Producer
Louis M. Heyward
Producer
H.P. Lovecraft
Novel
Michael Southgate
Costume Design
Derek Barrington
Art Direction
Jerry Sohl
Story
Gerry Levy
Associate Producer
Howard Lanning
Editor
John Coquillon
Director of Photography
Peter Knight
Original Music Composer
Betty Blattner
Makeup Artist
Ann Fordyce
Hairdresser
Pauline Worden
Makeup Artist