Andros

Hugo Blanco

Acting

Melissa

Agnès Spaak

Acting

Rosa

Perla Cristal

Acting

Amira (as Magda MacDonald)

Magda Maldonado

Acting

Dr. Conrad Jekyll

Marcelo Arroita-Jáuregui

Acting

Juan Manuel

Pepe Rubio

Acting

Inspector Klein

Pastor Serrador

Acting

Inglud Jekyll / Ingrid Fisherman

Luisa Sala

Acting

Ciceron

Manuel Guitián

Acting

Emilio, the inspector's assistant

Ramón Lillo

Acting

Piano Player

Jesús Franco

Directing

Marta Reves

Acting

Karl Steiner

Daniel Blumer

Acting

Conrad's Girlfriend

Mer Casas

Acting

Club Owner

Rafael Hernández

Acting

Policeman

José Truchado

Writing

Witness

Juan Antonio Soler

Acting

The Professor

Javier de Rivera

Acting

Club Security

Julio Infiesta

Acting

Julia Toboso

Acting

Maribel Hidalgo

Acting

Lang (uncredited)

Pedro Fenollar

Acting