| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alejandro Ulloa | Crew | Camera | Director of Photography |
 Daniel White | Crew | Sound | Original Music Composer, Music |
 Henri Baum | Crew | Production | Line Producer |
Jean Feyte | Crew | Editing | Editor |
 Jean-Claude Carrière | Crew | Writing | Screenplay |
 Jesús Franco | Crew | Directing | Director, Screenplay |
Louis Hochet | Crew | Sound | Sound Engineer |
Marie-Louise Barberot | Crew | Editing | Editor |
Michel Safra | Crew | Production | Producer |
Monique Teisseire | Crew | Editing | Assistant Editor |
Nicole Guettard | Crew | Directing | Script Supervisor |
 Serge Silberman | Crew | Production | Producer |
Antonio Cortés | Crew | Art | Production Design, Set Decoration |
Robert Demollière | Crew | Directing | Assistant Director |
Clemente Manzano | Crew | Camera | Camera Operator |
Odette Darrigol | Crew | Production | Production Secretary |
Arlette Lalande | Crew | Editing | Assistant Editor |
Éric Geiger | Crew | Production | Production Manager, Property Master |
Raymond Ferrer | Crew | Costume & Make-Up | Key Makeup Artist |
 Ana Castor | Cast | Actress | Juliana (uncredited) |
 Antonio Jiménez Escribano | Cast | Actor | Dr. Zimmer |
 Cris Huerta | Cast | Actor | Dr. Kallman |
Daniel White | Cast | Actor | Inspector Green |
 Estella Blain | Cast | Actress | Nadja / Miss Muerte |
Fernando Montes | Cast | Dr. Phillippe Brighthouse | |
 Francisco Camoiras | Cast | Actor | Fisherman (uncredited) |
 Guy Mairesse | Cast | Actor | Hans Bergen |
 Howard Vernon | Cast | Actor | Dr. Vicas |
 Javier de Rivera | Cast | Actor | Notary (uncredited) |
Jesús Franco | Cast | Actor | Inspector Tanner |
 José María Prada | Cast | Actor | Policeman (uncredited) |
 Lucía Prado | Cast | Actress | Barbara Albert (uncredited) |
 Mabel Karr | Cast | Actress | Irma Zimmer |
 Marcelo Arroita-Jáuregui | Cast | Actor | Dr. Moroni |
 Rafael Hernández | Cast | Actor | Assistant to Inspector Green (uncredited) |
 Vicente Roca | Cast | Actor | Police Doctor (uncredited) |
Mer Casas | Cast | Mrs. Moroni (uncredited) | |
Ángela Tamayo | Cast | Actress | Girl at the Nightclub (uncredited) |
Alberto Bourbón | Cast | Policeman | |
| Person | Type | Job | Role(s) |
