Dr. Seward
Alberto Dalbés
Dr. Frankenstein
Dennis Price
Morpho
Jesús Franco
Esmeralda
Lina Romay
Cagliostro
Howard Vernon
Vera Frankenstein
Beatriz Savón
Madame Orloff
Carmen Yazalde
Melissa
Anne Libert
Monstruo
Fernando Bilbao
Caronte
Luis Barboo
Tanner
Daniel White
Abigail
Doris Thomas
Director
Screenplay
Story
Music
Vladimir Cosma
Director of Photography
Raúl Artigot
Original Music Composer
Editor
Roberto Fandiño
Production Design
Jean-André d'Eaubonne
Executive Producer
Arturo Marcos
Vincent Gemignani
Armando Sciascia
Robert Hermel
Set Decoration
J. de Alberto