The Killer Reserved Nine Seats (1974)

Name: The Killer Reserved Nine Seats
Genre: Mystery, Thriller, Horror
Released: 1974-05-21
Duration: 99 min
Cast: Chris Avram, Rosanna Schiaffino, Eva Czemerys, Lucretia Love, Paola Senatore

A rich man gathers together friends and relatives at the abandoned theatre he owns, but the party isn't fun for long since apparently one of them is a murderer.