Geoffrey Horne
Paolo Franchi / Leone Franchi
Valérie Lagrange
Edith
Gérard Barray
Giovanni Sagona
Mario Feliciani
Dr. Dupont
Emma Danieli
Gabrielle De Roux
Jean Servais
Gerolamo Sagona
Amedeo Nazzari
Orlandi
Nerio Bernardi
Prof. Perrier
Alberto Farnese
Gaspare
Germano Longo
Claudio Franchi
Sandro Moretti
Claudio
Laura Solari
Luisa Dupont
Paola Patrizi
Mariella
Lia Zoppelli
zia Mary
Luisa Mattioli
moglie di Domenico
Franco Graziosi
Domenico
Lucilla Morlacchi
Lina
Raoul Grassilli
Raul Sagona
Renato Montalbano
uomo tarchiato col ferro rovente
Luigi Vannucchi
Luigi Sagona
Francesca Benedetti
Adele Franchi
Adriano Micantoni
Lando
Calisto Calisti
Vasco
Laura Nucci
signora Perrier
Giuseppe Pagliarini
commissario
Aldo Pini
conte Morny
Regina Dainelli
(uncredited)
Crew
Anton Giulio Majano
Director
Anton Giulio Majano
Screenplay
Ivo Battelli
Production Design
Guglielmo Bonotti
Makeup Artist
Luigi Puri
Sound
Maria Baroni
Costume Design
Roberto Gianviti
Screenplay
Piero Schivazappa
First Assistant Director
Maresa Gallo
Second Assistant Director
Vittorio Martino
Producer
Fulvio Palmieri
Story
Angelo Francesco Lavagnino
Original Music Composer
Carla Zamponi
Assistant Editor
Alexandre Dumas
Novel
Adriana Novelli
Editor
Jeanette Cardone
Script Supervisor
Mario Perelli
Production Manager
Carlo Savina
Conductor
Leo Cevenini
Producer
Manlio Dalla Pria
Unit Manager
Fiamma Rocchetti
Hairstylist
Bitto Albertini
Director of Photography
Fulvio Barsotti
Set Decoration
Diego Fabbri
Screenplay