Plot
Mark Terzi goes to Genoa to take on the case of a serial killer who calls himself "The Sphinx".
| Writer | Dardano Sacchetti |
|---|---|
| Director | Stelvio Massi |
| Actor | Franco Gasparri, Lee J. Cobb, Nino Benvenuti |
| Country | Italy |
| Production | Produzioni Atlas Consorziate |