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"Terror Beyond Belief". An American writer in Rome is stalked by a serial killer bent on harassing him while killing all people associated with his work on his latest book.
Directed by: Dario Argento
Writer credits: Dario Argento
Cast: Anthony Franciosa - Christian Borromeo - Mirella D'Angelo - Veronica Lario - Ania Pieroni
AKA: Unsane, Sotto gli occhi dell'assassino Tenebrae Under the Eyes of the Assassin Unsane, Tenebre, Under the Eyes of the Assassin, Sotto gli occhi dell'assassino