| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adriana Berselli | Crew | Costume & Make-Up | Assistant Costume Designer |
Beni Montresor | Crew | Art | Production Design, Costume Design |
Corrado Bartoloni | Crew | Camera | Camera Operator |
Ermanno Donati | Crew | Production | Producer |
Luigi Carpentieri | Crew | Production | Producer |
 Mario Bava | Crew | Writing | Screenplay, Director of Photography, Story |
Piero Donati | Crew | Production | Production Manager |
Piero Regnoli | Crew | Writing | Screenplay, Story, First Assistant Director |
 Riccardo Freda | Crew | Directing | Director, Screenplay |
Roberto Cinquini | Crew | Editing | Editor |
 Roman Vlad | Crew | Sound | Original Music Composer |
Franco Freda | Crew | Costume & Make-Up | Makeup Artist |
Ada Palombi | Crew | Costume & Make-Up | Hairstylist |
Mario Messina | Crew | Sound | Sound |
Claudio Agostinelli | Crew | Production | Production Assistant |
 Al Lewis | Cast | Actor | Assistant (uncredited) |
Angelo Galassi | Cast | Ronald Fontaine | |
 Antoine Balpêtré | Cast | Actor | Professor Julien du Grand |
 Carlo D'Angelo | Cast | Actor | L'ispettore Chantal |
 Charles Fawcett | Cast | Actor | Signor Robert |
Dario Michaelis | Cast | Actor | Pierre Lantin |
 Emilio Petacci | Cast | L'antiquario (uncredited) | |
 Gianna Maria Canale | Cast | Actress | Giselle du Grand / Margherita du Grand |
 Miranda Campa | Cast | Actress | Signora Robert |
 Paul Müller | Cast | Actor | Joseph Signoret |
Renato Tontini | Cast | L'assistente del professore Grand | |
Riccardo Freda | Cast | Actor | Il dottore (uncredited) |
 Wandisa Guida | Cast | Actress | Laurette Robert |
Armando Annuale | Cast | Un uomo anziano al funerale (uncredited) | |
Gisella Mancinotti | Cast | Amica di Laurette | |
Barbara Wohl | Cast | Lisette (uncredited) | |
| Person | Type | Job | Role(s) |
