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.
Released: Jul 15, 1969
Runtime: 92 minutes
Stars: Frankie Avalon, Jill Haworth, Dennis Price, Mark Wynter, George Sewell, Gina Warwick
Crew: Michael Armstrong (Director), Michael Armstrong (Screenplay), Reg Tilsley (Original Music Composer), Reg Tilsley (Conductor), Peter Pitt (Editor), Alan Kane (Sound Mixer)