| Person | Type | Job | Role(s) |
|---|---|---|---|
 Amando de Ossorio | Crew | Directing | Director, Screenplay |
 Fernando Florido | Crew | Costume & Make-Up | Makeup Artist |
José Antonio Rojo | Crew | Editing | Editor |
José Frade | Crew | Production | Producer |
José Luis Galicia | Crew | Art | Art Direction |
Raúl Pérez Cubero | Crew | Camera | Director of Photography |
Dolores García Rey | Crew | Costume & Make-Up | Hairstylist |
Antonio Sáiz Palazón | Crew | Camera | Camera Operator |
 Manel Santisteban | Crew | Sound | Original Music Composer |
Salvador Gómez Calle | Crew | Camera | Assistant Camera |
Erika Szel | Crew | Directing | Script Supervisor |
Thomas Urbant | Crew | Crew | Special Effects |
Alex Digest | Crew | Camera | Still Photographer |
Joseph Cherry | Crew | Sound | Sound Recordist |
Vincent D. White | Crew | Art | Construction Coordinator |
Frank Cuttlet | Crew | Crew | Special Effects |
Joseph Vargas | Crew | Crew | Special Effects |
Alfonso de la Vega | Cast | Actor | |
Alfredo Enríquez | Cast | ||
Alicia González | Cast | ||
 Barta Barri | Cast | Actor | Defensor |
Beatriz Savón | Cast | ||
 Carole James | Cast | Actress | Jill |
 Charly Bravo | Cast | Actor | |
Eduardo Bea | Cast | ||
 Fabián Conde | Cast | Actor | |
 Gérard Tichy | Cast | Actor | |
 Jack Taylor | Cast | Actor | Hospital Killer |
 Jared Martin | Cast | Actor | First Mate Lemaris |
Jorge Bosso | Cast | Actor | |
 José Bastida | Cast | Actor | |
 José Canalejas | Cast | Actor | |
José Yepes | Cast | Actor | |
 León Klimovsky | Cast | Actor | Dr. Moore |
Paco Catalá | Cast | ||
 Pilar Alcón | Cast | Actress | Nurse (as Diana Eagle) |
 Ray Milland | Cast | Actor | Professor Timothy Wallace |
 Taryn Power | Cast | Actress | Margaret |
 Timothy Bottoms | Cast | Actor | Pedro Fontán |
 Víctor Israel | Cast | Actor | Porto, Night Watchman |
 José Ramón Pardo | Cast | ||
 Luís Zagalo | Cast | Actor | |
 Teresa del Olmo | Cast | ||
| Person | Type | Job | Role(s) |
