The Haunted House of Horror (1969)

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.

Directed by: Michael Armstrong

Starring: Frankie Avalon, Jill Haworth, Dennis Price, Mark Wynter, George Sewell, Gina Warwick

Links: IMDb, Movie posters, Movie stills