Antonio Cannas

Sommier

Carlo Bagno

Mambret

Ivo Garrani

Andrea Lecoeur

Tino Bianchi

Janvier

Carlo Alighiero

Godin

Mario Rovati

Levasseur

Gianni Santuccio

Il Commissario Saillard

Renato De Carmine

Oliviero Lecoeur

Sergio Santernecchi

Un agente ciclista

Gianni Tonolli

Duresne

Sergio Failoni

Adaptation

Livia Eusebio

First Assistant Director

Vittorio Cottafavi

Director

Alessandro De Stefani

Screenplay

Georges Simenon

Novel