Directed by
| José María Elorrieta | ... | (as J.E. Lacy) |
Writing Credits
| José Luis Navarro | ... | (screenplay) & |
| Marino Girolami | ... | (screenplay) & |
| Miguel Madrid | ... | (screenplay) (as Micael Skife) |
| Espartaco Santoni | ... | (idea) & |
| José María Elorrieta | ... | (idea) |
Cast (in credits order)
| Espartaco Santoni | ... | Dr. Tills Nescu | |
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Krista Nell | ... | Hilda Salas |
| Teresa Gimpera | ... | Andrea | |
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Verónica Luján | ... | María Salas |
| Ennio Girolami | ... | Dr. Carlos Ferrer (as Thomas Moore) | |
| Julio Peña | ... | Inspector González | |
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Luis Villa | ||
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Carla Conti | ... | Paula |
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Francesco Acciaccarelli | ... | Dr. Baum |
| Rest of cast listed alphabetically: | |||
| Tomás Blanco | ... | Dr. Donati | |
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Rafael Corés | ... | Dr. Michelis |
| Don Jaime de Mora y Aragón | ... | Count | |
| Eulália del Pino | ... | Nun (as Eulalia del Pino) | |
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Cris Huerta | ... | Hotel Guest |
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Inés Morales | ... | Tills' Mother |
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Antonio Moreno | ... | Mayor |
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Juan Antonio Peral | ... | Mental Patient (as Antonio Peral) |
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José Ignacio Pidal | ... | Hotel Receptionist (as Nacho Pidal) |
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Gene Reyes | ... | Brito |
| Rosario Royo | ... | Gabriela Jiménez | |
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Luis Suárez | ||
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Rafael Vaquero | ||
| Elsa Zabala | ... | Hotel Guest | |
| Marujita Díaz | ... | Woman with Count at Nightclub (uncredited) | |
Produced by
| Luigi Mariani | ... | producer |
| Espartaco Santoni | ... | producer |
Music by
| Carlo Savina | ||
Cinematography by
| Emanuele Di Cola | ||
Editing by
| Tatiana Casini Morigi | ||
| Rosalba Sensi | ||
| Vincenzo Tomassi | ||
Production Management
| Marino Girolami | ... | production manager |
Second Unit Director or Assistant Director
| José Ullóa | ... | assistant director |
Art Department
| Augusto Lega | ... | construction coordinator (as Lega) |
| Félix Michelena | ... | construction coordinator (as Michelena) |
Editorial Department
| José Antonio Rojo | ... | editor: Spanish version |
Script and Continuity Department
| Blanca Astiasu | ... | script supervisor |
Additional Crew
| Félix Acaso | ... | voice dubbing: Francesco Acciaccarelli (uncredited) |
| José Luis Baltanás | ... | voice dubbing: Nacho Pidal (uncredited) |
| Ángel María Baltanás | ... | voice dubbing: Espartaco Santoni (uncredited) |
| Pilar Calvo | ... | voice dubbing: Eulalia Del Pino (uncredited) |
| Lola Cervantes | ... | voice dubbing: Inés Morales (uncredited) |
| Matilde Conesa | ... | voice dubbing: Teresa Gimpera (uncredited) |
| Juan Miguel Cuesta | ... | voice dubbing: Thomas Moore (uncredited) |
| Carolyn De Fonseca | ... | voice dubbing: Teresa Gimpera (English version) (uncredited) |
| Angelina Gatell | ... | voice dubbing: Elsa Zabala (uncredited) |
| Irene Guerrero de Luna | ... | voice dubbing: Rosario Royo (uncredited) |
| Mari Ángeles Herranz | ... | voice dubbing: Krista Nell (uncredited) |
| Teófilo Martínez | ... | voice dubbing: Don Jaime de Mora y Aragón (uncredited) |
| José Moratalla | ... | voice dubbing: Juan Antonio Peral (uncredited) |
| Carlos Revilla | ... | voice dubbing: Gene Reyes (uncredited) / voice dubbing: Rafael Corés (uncredited) |
| Claudio Rodríguez | ... | voice dubbing: Julio Peña (uncredited) |
| Mayte Santamarina | ... | voice dubbing: Carla Conti (uncredited) |
| Pedro Sempson | ... | voice dubbing: Antonio Moreno (uncredited) |
| Manuel Torremocha | ... | voice dubbing: Cris Huerta (uncredited) |
| Joaquín Vidriales | ... | voice dubbing: Tomás Blanco (uncredited) |