A Blade in the Dark (1983)

A killer stalks a composer staying at a posh Tuscany villa while writing the score to a horror film which has an incriminating clue to the killer's identity.

Director: Lamberto Bava

Cast: Andrea Occhipinti, Anny Papa, Fabiola Toledo, Michele Soavi, Valeria Cavalli, Stanko Molnar, Lara Lamberti, Giovanni Frezza, Marco Vivio