Overview
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.
Trailer
Crew
DirectorRay Cameron
WriterRay Cameron, Barry Cryer
Cast
Kenny Everett
Dr. Lukas Mandeville
Pamela Stephenson
Dr. Barbara Coyle
Vincent Price
Sinister Man
Gareth Hunt
Elliot Broome
Don Warrington
Stephen Wilson
John Fortune
John Harrison
Sheila Steafel
Sheila Finch
John Stephen Hill
Henry Noland
Cleo Rocos
Deborah Kedding
Graham Stark
Blind Man
Pat Ashton
Barmaid
David Lodge
Inspector Goule
Davilia O'Connor
Sheila’s Mum
Debbie Linden
Attractive Girl
Tim Barrett
Doctor
Oscar Quitak
Doctor
Ellis Dale
Patient
Barry Cryer
Police Inspector
Anna Dawson
Nurse
Gordon Rollings
Man at Bar
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Keywords
mass murderserial killerslashermansionsatanic cultscientists
Details
Budget
$3M
TMDb Votes
89
Added May 14, 2026Updated Jun 3, 2026