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 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