Mark Terzi goes to Genoa to take on the case of a serial killer who calls himself "The Sphinx".

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Main Cast: Franco Gasparri, Lee J. Cobb, Nino Benvenuti, Ely Galleani, Spiros Focás, Andrea Aureli, Ida Meda, Massimo Girotti, Roberto Caporali, Guido Celano

Director: Stelvio Massi

Writers: Raniero Di Giovanbattista, Dardano Sacchetti, Teodoro Corrà, Stelvio Massi

Editor: Mauro Bonanni

Cinematographer: Federico Zanni

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