
91 minutes
3/29/1984
Six scientists arrive at the creepy Headstone Manor to investigate a strange phenomena which was the site of a mysterious massacre years earlier where 18 guests were killed in one night. It turns out that the house is the place of a satanic cult lead by a sinister monk who plans to kill the scientists who are inhabiting this house of Satan.

Kenny Everett
as Dr. Lukas Mandeville

Pamela Stephenson
as Dr. Barbara Coyle

Vincent Price
as Sinister Man

Gareth Hunt
as Elliot Broome

Don Warrington
as Stephen Wilson

John Fortune
as John Harrison

Sheila Steafel
as Sheila Finch

John Stephen Hill
as Henry Noland

Cleo Rocos
as Deborah Kedding

Graham Stark
as Blind Man

Pat Ashton
as Barmaid

David Lodge
as Inspector Goule
Davilia O'Connor
as Sheila’s Mum

Debbie Linden
as Attractive Girl
Tim Barrett
as Doctor

Oscar Quitak
as Doctor
Ellis Dale
as Patient

Barry Cryer
as Police Inspector
Anna Dawson
as Nurse

Gordon Rollings
as Man at Bar
Jack Le White
as Old Man
Ray Cameron
as Policeman