Comissioneer Mariani leads investigates a group of kidnappers.
Engineer
Conforti's neighbor
Waiter in Bar
Gangster (uncredited)
Commissario Mauro Mariani
Vera
Ingravallo
Crivelli
Sergio Conforti
Monti
Signora Parolini
Claudio Mariani
Bruno
Concierge
Sergio's Mother
