| Person | Type | Job | Role(s) |
|---|---|---|---|
 Amando de Ossorio | Crew | Directing | Director, Screenplay, Story |
 Blanca Rodríguez | Crew | Editing | Assistant Editor |
Francisco García | Crew | Production | Casting |
Pablo Pérez | Crew | Crew | Special Effects |
 Pedro del Rey | Crew | Editing | Editor |
Vicente Minaya Ortega | Crew | Camera | Director of Photography |
Julio Vallejo | Crew | Production | Executive Producer |
Diego | Crew | Sound | Original Music Composer |
Francisco Rodríguez | Crew | Directing | Assistant Director |
Fernando González | Crew | Art | Set Decoration |
Fernando Pérez Sobrino | Crew | Costume & Make-Up | Hairstylist |
Julio Sánchez Caballero | Crew | Camera | Still Photographer |
Isaac Hernández | Crew | Production | Producer |
Víctor | Crew | Sound | Original Music Composer |
 Daniel Martín | Cast | Actor | William Grant |
Ernesto Vañes | Cast | ||
Fernando Hilbeck | Cast | Actor | Doctor |
 Fernando Sancho | Cast | Actor | Police Chief |
 Julia Saly | Cast | Actress | Barnes' Maid |
 Julián Mateos | Cast | Actor | Father Juan |
 Kali Hansa | Cast | Actress | Gypsy Witch |
 Lone Fleming | Cast | Actress | Anne Crawford |
Lucy Tiller | Cast | Maid of the kidnapped child | |
 Marian Salgado | Cast | Actress | Susan Barnes |
 María Kosty | Cast | Actress | Esther |
 María Vidal | Cast | Actress | Simona Comodare |
 Montserrat Prous | Cast | Actress | Nurse |
 Roberto Camardiel | Cast | Actor | Managing Editor |
 Tota Alba | Cast | Actress | Mother Gautère |
 Ángel del Pozo | Cast | Actor | Mr. Barnes |
 Concha Gómez Conde | Cast | Actress | Mother of the kidnapped child |
Paquita Trench | Cast | ||
Beatriz Villasante | Cast | ||
| Person | Type | Job | Role(s) |
