Trailer
Images
 | Paul Naschy as Gilles |
 | Diana Lorys as Claude |
 | Maria Perschy as Ivette |
 | Eduardo Calvo as Dr. Phillipe |
 | Eva León as Nicole |
 | Inés Morales as Michelle |
 | Antonio Pica as Inspector Pierre |
 | Luis Ciges as Rene |
 | Pilar Bardem as Caroline |
 | Sandra Mozarowsky as Young tourist in bar |
| Production | |
| José Antonio Pérez Giner | Executive Producer |
Writing | |
| Carlos Aured | Screenplay |
| Paul Naschy | Screenplay |
Directing | |
| Carlos Aured | Director |
Production | |
| Modesto Pérez Redondo | Production Manager |
Costume & Make-Up | |
| Miguel Sesé | Makeup Artist |
| Francisca Guillot | Hairstylist |
Writing | |
| Paul Naschy | Story |
Editing | |
| Javier Morán | Editor |
Sound | |
| Juan Carlos Calderón | Original Music Composer |
Camera | |
| Francisco Sánchez | Director of Photography |
Art | |
| Gumersindo Andrés | Set Designer |
Camera | |
| Francisco Bermejo Miranda | Assistant Camera |
Sound | |
| Jesús Peña | Sound Effects |
Costume & Make-Up | |
| Humberto Cornejo | Costume Design |
Crew | |
| Manuel Gómez | Special Effects Technician |
Camera | |
| Luis Berraquero | Assistant Camera |
Directing | |
| Josetxo San Mateo | Continuity |
Lighting | |
| Fernando Moreno | Electrician |
Directing | |
| Zacarías Urbiola | Assistant Director |
Sound | |
| Luis Castro | Sound Effects |
| José María San Mateo | Sound |
Costume & Make-Up | |
| Maruchi Sesé | Assistant Makeup Artist |
| Rosa García | Wardrobe Master |
Directing | |
| R. Muñoz | Assistant Director |
Editing | |
| Amparo F. Roces | Assistant Editor |
