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.
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Kenny Everett
Dr. Lukas Mandeville
Pamela Stephenson
Dr. Barbara Coyle
Vincent Price
Sinister Man
Gareth Hunt
Elliot Broome
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