The Haunted House of Horror
Behind it's forbidden doors an evil secret hides!
Teenagers gathered in an old mansion are being murdered one by one. The survivors must discover who among them is the killer before he finishes off everybody.
- Year : 1969
- Country : United Kingdom
- Genre : Horror, Thriller
- Studio : Tigon British Film Productions, American International Pictures, Tigon
- Keyword : haunted house, swinging london
- Director : Michael Armstrong
- Cast : Frankie Avalon, Jill Haworth, Dennis Price, Mark Wynter, George Sewell, Gina Warwick