"A mad scientist creates a hideous monster to carry out his murderous plans..."
Hugo Blanco
as Andros
Agnès Spaak
as Melissa
Perla Cristal
as Rosa
Magda Maldonado
as Amira (as Magda MacDonald)
Marcelo Arroita-Jáuregui
as Dr. Conrad Jekyll
Pepe Rubio
as Juan Manuel
Pastor Serrador
as Inspector Klein
Luisa Sala
as Inglud Jekyll / Ingrid Fisherman
Manuel Guitián
as Ciceron
Ramón Lillo
as Emilio, the inspector's assistant
Jesús Franco
as Piano Player
Marta Reves
as
Daniel Blumer
as Karl Steiner
Mer Casas
as Conrad's Girlfriend
Rafael Hernández
as Club Owner
José Truchado
as Policeman
Juan Antonio Soler
as Witness
Javier de Rivera
as The Professor
Julio Infiesta
as Club Security
Julia Toboso
Maribel Hidalgo
Pedro Fenollar
as Lang (uncredited)
Director
Dialogue
Nicole Guettard
Writer
Screenplay
Daniel White
Original Music Composer
Ángel Serrano
Editor
Alfonso Nieva
Director of Photography
R. St. Martin
Sound Engineer
Marius Lesoeur
Producer
Fernando Somoza
Production Design
Fernando García Morcillo
Music
Julio Parra
Production Supervisor
