Dr. Orloff's Monster [El secreto del Dr. Orloff]

Hugo Blanco

Andros

Agnès Spaak

Melissa

Perla Cristal

Rosa

Magda Maldonado

Amira (as Magda MacDonald)

Marcelo Arroita-Jáuregui

Dr. Conrad Jekyll

Pepe Rubio

Juan Manuel

Pastor Serrador

Inspector Klein

Luisa Sala

Inglud Jekyll / Ingrid Fisherman

Manuel Guitián

Ciceron

Ramón Lillo

Emilio, the inspector's assistant

Jesús Franco

Piano Player

Marta Reves

Jesús Franco

Director

Jesús Franco

Screenplay

Alfonso Nieva

Director of Photography

Daniel White

Original Music Composer

Ángel Serrano

Editor

Fernando Somoza

Production Design

Marius Lesoeur

Producer

Jesús Franco

Dialogue

Nicole Guettard

Writer

Fernando García Morcillo

Music

R. St. Martin

Sound Engineer

Julio Parra

Production Supervisor