95 minutes
12/22/1975
Mark Terzi goes to Genoa to take on the case of a serial killer who calls himself "The Sphinx".
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
Guido Celano
as Mario Borelli
Francesco D'Adda
as Ragioniere di Ghini
Tom Felleghy
as Dr. Marchi
Edoardo Florio
Archimede Muzi
Gianni Ottaviani
as Judge Guglielmi
Leonardo Severini
as Colantuoni
Margherita Horowitz
as Maria Clerici
Cesare Di Vito
as Tommasi
Mauro Vestri
as Sports Club Director
Carmen Russo
as Girl on the yacht
Renato Basso Bondini
as Ghini's Henchman (uncredited)