Cast
Claudine Auger
Renata Donati
Luigi Pistilli
Alberto / Albert
Claudio Camaso
Simone / Simon
Anna Maria Rosati
Laura
Chris Avram
Franco Ventura / Frank Ventura
Leopoldo Trieste
Paolo Fosatti / Paul Fosatti
Laura Betti
Anna Fossati
Brigitte Skay
Louise / Brunhilde
Isa Miranda
Countess Federica Donati
Paola Montenero
Sylvie / Denise
Nicoletta Elmi
Renata and Albert's Daughter (uncredited)
Renato Cestiè
Renata and Albert's Son (uncredited)
Roberto Bonanni
Roberto / Bobby
Directing
Lamberto Bava
Assistant Director
Writing
Mario Bava
Screenplay
Giuseppe Zaccariello
Screenplay
Filippo Ottoni
Screenplay
Dardano Sacchetti
Story
Gene Luotto
Dialogue
Gianfranco Barberi
Story
Camera
Gianlorenzo Battaglia
Assistant Camera
Emilio Varriano
Camera Operator
Crew
Sergio Canevari
Additional Writing
Carlo Rambaldi
Special Effects
Franco Vanorio
Additional Writing
Laura Betti
Additional Writing
Production
Roberto Cicutto
Production Supervisor
Fernando Franchi
Production Manager
Costume & Make-Up
Enrico Sabbatini
Costume Design
Editing
Carlo Reali
Editor
Sound
Stelvio Cipriani
Original Music Composer