Franco Gasparri
as Commissario Mark Terzi
Lee J. Cobb
as Il commedator Benzi
Nino Benvenuti
as Ghini
Ely Galleani
as Angela Frizzo
Spiros Focás
as Morini
Andrea Aureli
as Giornalista
Ida Meda
as Franca Frizzo
Massimo Girotti
as Il Questore Spaini
Roberto Caporali
as Bernardi
Stelvio Massi
Director
Mark Terzi goes to Genoa to take on the case of a serial killer who calls himself "The Sphinx".
