 |
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 as |
 |
Maribel Hidalgo as |
|
Pedro Fenollar as Lang (uncredited) |
| Directing | Jesús Franco | Director |
| Writing | Jesús Franco | Screenplay |
| Writing | Jesús Franco | Dialogue |
| Writing | Nicole Guettard | Writer |
| Sound | Daniel White | Original Music Composer |
| Production | Marius Lesoeur | Producer |
| Sound | Fernando García Morcillo | Music |
| Camera | Alfonso Nieva | Director of Photography |
| Editing | Ángel Serrano | Editor |
| Art | Fernando Somoza | Production Design |
| Production | Julio Parra | Production Supervisor |
| Sound | R. St. Martin | Sound Engineer |
