Directed by
| Jorge Grau | ||
Writing Credits
| Jorge Grau | ... | (story and screenplay) & |
| Juan Tébar | ... | (story and screenplay) |
| Guy de Maupassant | ... | (short story "Un fou") |
Cast (in credits order)
| Fernando Rey | ... | Oscar Bataille | |
| Marisa Mell | ... | Patricia Bataille | |
| Espartaco Santoni | ... | Wilson Vargas | |
| Máximo Valverde | ... | Javier Durán | |
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Elisa Laguna | ... | Laura Castro |
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Julián Navarro | ... | Inspector Navarro |
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María Vico | ... | Dueña pensión |
| Nené Morales | ... | Telefonista | |
| José Lifante | ... | Comandante (as José Ruiz Lifante) | |
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Julio Morales | ... | Jacques Morell |
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Antonio Guti | ... | Acusado |
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Ángel Menéndez | ... | Portavoz del jurado |
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Ismael García-Romeu | ... | Juez (as Ismael G. Romeu) |
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Juana Azorín | ... | Sandra Morell |
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Enrique González | ... | Cartero (as Enrique Glez) |
| Rest of cast listed alphabetically: | |||
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Carmen Martínez Sierra | ... | (uncredited) |
Produced by
| Espartaco Santoni | ... | producer |
Music by
| Antonio Pérez Olea | ||
Cinematography by
| Fernando Arribas | ||
Editing by
| Rosa G. Salgado | ||
Set Decoration by
| José Antonio de la Guerra | ||
Additional Crew
| Pilar Calvo | ... | voice dubbing: Juana Azorín (uncredited) |
| Manolo García | ... | voice dubbing: Máximo Valverde (uncredited) |
| Pilar Gentil | ... | voice dubbing: María Vico (uncredited) |
| Luis María Lasala | ... | voice dubbing: Ismael García Romen (uncredited) |
| José Martínez Blanco | ... | voice dubbing: José Lifante (uncredited) |
| Eduardo Moreno | ... | voice dubbing: Enrique González (uncredited) |
| Jesús Nieto | ... | voice dubbing: Espartaco Santoni (uncredited) |
| Manuel Peiró | ... | voice dubbing (uncredited) |
| María Luisa Rubio | ... | voice dubbing: Elisa Laguna (uncredited) |
| Mayte Santamarina | ... | voice dubbing: Marisa Mell (uncredited) |
