"A demented art dealer and antique shop owner performs nightly rituals in honour of the African god Chuku, whom he believes will reward him with unimaginable wealth and power if he merely offers up human sacrifice."
Jack Palance
as Neal Mottram
Diana Dors
as Dolly Newman
Julie Ege
as Helena
Edith Evans
as Aunt Louise
Hugh Griffith
as Solicitor
Trevor Howard
as Supt. Bellamy
Michael Jayston
as Detective Sgt. Wall
Suzy Kendall
as Sally
Martin Potter
as Ronnie
Percy Herbert
as Detective Constable Russet
David Warbeck
as Detective Wilson
Kathleen Byron
as Muriel Sharp
Marianne Stone
as Jane - Barmaid
Dean Harris
as Ronnie's Friend
Anthony Chinn
as Customer (uncredited)
Frank Forsyth
as Man at Will Reading (uncredited)
Alan Harris
as Coven Member (uncredited)
Kristopher Kum
Brian McDermott
as Policeman Following Ronnie (uncredited)
Anita Sharp-Bolster
as Woman at Will Reading (uncredited)
Guy Standeven
as Milkman (uncredited)
Derek Suthern
as Coven Member. (uncredited)
Freddie Francis
Director
Aben Kandel
Writer
Herman Cohen
Chris Kenny
Second Assistant Director
John Lageu
Draughtsman
John Scott
Original Music Composer
Derek Gooch
Third Assistant Director
Mervyn Richards
Standby Painter
Jilda Smith
Production Manager
Bill Lodge
Makeup Artist
Albert Blackshaw
Construction Manager
Mike Le Mare
Supervising Sound Editor
Chuck Ferrigno
Property Master
Alf Brooker
Grip
Henry Richardson
Editor
Helen Thomas
Set Dresser
Tom Frewer
Dressing Prop
Maurice Gillett
Gaffer
John Wilcox
Director of Photography
Gustave M. Berne
Executive Producer
Bobby Murrell
James Bawden
Camera Operator
Rita Wakely
Wardrobe Master
Stephen Smith
Focus Puller
Producer
George Provis
Art Direction
Michael Guyett
Scenic Artist
Conductor
Peter Saunders
Assistant Director
Ray Hearne
Still Photographer
Bobbie Smith
Hairdresser
Albert Hunt
Standby Carpenter
David Merchant
Maude Spector
Casting
Pamela Davies
Continuity
Peter Dukelow
Boom Operator
Ken Ritchie
Sound Mixer