| Person | Type | Job | Role(s) |
|---|---|---|---|
 Aleksandr Kuprin | Crew | Writing | Short Story |
 Carlos Nin | Crew | Costume & Make-Up | Makeup Designer |
 Cecilio Paniagua | Crew | Camera | Director of Photography |
 Edgar Allan Poe | Crew | Writing | Short Story |
Eduardo Torre de la Fuente | Crew | Art | Production Design |
 Fernando Fernán Gómez | Crew | Directing | Director, Screenplay |
Félix Suárez Inclán | Crew | Editing | Editor |
José María Ochoa | Crew | Directing | Assistant Director |
 Leonid Andreyev | Crew | Writing | Short Story |
 Luis María Delgado | Crew | Directing | Director |
Manuel Parada | Crew | Sound | Original Music Composer |
Mario Pacheco | Crew | Camera | Camera Operator |
Rafael Pacheco | Crew | Camera | Still Photographer |
Ramón Plana | Crew | Production | Production Manager |
Sebastián Perera | Crew | Camera | Director of Photography |
Carmen Salas | Crew | Directing | Script Supervisor |
Carlos Boué | Crew | Production | Production Assistant |
Antonio Fernández Roces | Crew | Sound | Sound |
Francisco Tomás Comes | Crew | Writing | Screenplay |
Felipe Sáez Barea | Crew | Sound | Sound |
Ana de Leyva | Cast | Actress | |
 Antonio Vico | Cast | Actor | Mercedes' Husband |
 Aurora de Alba | Cast | Actress | |
 Camilo José Cela | Cast | Actor | |
 Carlos Díaz de Mendoza | Cast | Actor | Dr. Garcés |
Cayetano Torregrosa | Cast | ||
 Concha López Silva | Cast | Actress | |
 Elvira Quintillá | Cast | Actress | Mercedes |
Fernando Fernán Gómez | Cast | Actor | Carlos |
Ignacio de Paúl | Cast | ||
José Alburquerque | Cast | Actor | |
 José María Lado | Cast | Actor | Dr. Posada |
 Julio Peña | Cast | Actor | Miguel |
 Manuel Alexandre | Cast | Actor | (uncredited) |
Manuel San Román | Cast | Actor | |
 Margarita Lozano | Cast | Actress | |
 María Asquerino | Cast | Actress | Eugenia |
 María Rivas | Cast | Actress | Juana |
 Susana Canales | Cast | Actress | Amanda |
 Vicente Parra | Cast | Actor | Alejo |
 Rafael Calvo Revilla | Cast | Actor | |
Ernestina Siria | Cast | ||
María Baus | Cast | ||
Jesús Juan Garcés | Cast | Loco que ríe | |
Alfredo Marqueríe | Cast | ||
José Altabella | Cast | Loco | |
| Person | Type | Job | Role(s) |
