"A mad scientist captures young women and drains their blood, in order to keep alive an ancient, evil duchess."
Gianna Maria Canale
as Giselle du Grand / Margherita du Grand
Carlo D'Angelo
as L'ispettore Chantal
Dario Michaelis
as Pierre Lantin
Paul Müller
as Joseph Signoret
Wandisa Guida
as Laurette Robert
Angelo Galassi
as Ronald Fontaine
Renato Tontini
as L'assistente del professore Grand
Charles Fawcett
as Signor Robert
Gisella Mancinotti
as Amica di Laurette
Miranda Campa
as Signora Robert
Antoine Balpêtré
as Professor Julien du Grand
Armando Annuale
as Un uomo anziano al funerale (uncredited)
Riccardo Freda
as Il dottore (uncredited)
Al Lewis
as Assistant (uncredited)
Emilio Petacci
as L'antiquario (uncredited)
Barbara Wohl
as Lisette (uncredited)
Mario Bava
Director of Photography
Luigi Carpentieri
Producer
Ermanno Donati
Director
Piero Regnoli
First Assistant Director
Claudio Agostinelli
Production Assistant
Piero Donati
Production Manager
Story
Screenplay
Roman Vlad
Original Music Composer
Roberto Cinquini
Editor
Beni Montresor
Production Design
Costume Design
Franco Freda
Makeup Artist
Ada Palombi
Hairstylist
Mario Messina
Sound
Corrado Bartoloni
Camera Operator
Adriana Berselli
Assistant Costume Designer
