Vittorio Cottafavi
Director
Livia Eusebio
First Assistant Director
Sergio Failoni
Adaptation
Georges Simenon
Novel
Alessandro De Stefani
Screenplay
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