Directed by
| Ignacio F. Iquino | ||
Writing Credits (in alphabetical order)
| Juan G. Baste | ... | (story) |
| Ignacio F. Iquino | ||
| Vicente Lluch | ||
| Armando Moreno | ||
Cast (in credits order)
| Núria Espert | ... | Lucía | |
 |
Víctor Valverde | ... | Alejandro |
| Ismael Merlo | ... | Jerónimo | |
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Fernando León | ... | Miguel |
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Ángel Lombarte | ... | Traidor |
| Consuelo de Nieva | ... | Madre de Lucía | |
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Eduardo Lizarza | ... | Padre de Lucía |
| Lina Canalejas | ... | Teniente | |
| Rest of cast listed alphabetically: | |||
|
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Pedro Garre | ||
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José Montez | ||
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Marina Ferri | ... | Chica joven (uncredited) |
Produced by
| Ignacio F. Iquino | ... | producer |
Music by
| Enrique Escobar | ||
Cinematography by
| Ricardo Albiñana | ||
Editing by
| Juan Luis Oliver | ||
Set Decoration by
| Andrés Vallvé | ||
Makeup Department
| Manuel Manteca | ... | makeup artist |
| Manuel Tronxo | ... | assistant makeup artist |
Production Management
| Antonio Liza | ... | production manager |
| Juliana San José de la Fuente | ... | general production manager |
Second Unit Director or Assistant Director
| Juan Gabriel Tharrats | ... | assistant director |
Art Department
| Ginés Rodríguez | ... | property master |
| José Rovira | ... | construction coordinator |
Sound Department
| Miguel Sitges | ... | sound engineer |
Camera and Electrical Department
| Julio Pérez de Rozas | ... | camera operator |
| Rafael Pérez de Rozas | ... | still photographer |
| Santiago Rodríguez | ... | assistant camera |
Editorial Department
| Maricel Bautista | ... | assistant editor |
Additional Crew
| Rafael Barasona | ... | production assistant |
| José Ulloa | ... | shooting secretary |
| Miguel Alonso | ... | voice dubbing: Ángel Lombarte (uncredited) |
| Josep Maria Angelat | ... | voice dubbing (uncredited) |
| Manuel Cano | ... | voice dubbing: Ismael Merlo/various (uncredited) |
| Roser Cavallé | ... | voice dubbing: Lina Canalejas (uncredited) |
| Carlos Ronda | ... | voice dubbing: Eduardo Lizarza (uncredited) |
| José Luis Sansalvador | ... | voice dubbing: Fernando León (uncredited) |
| Consuelo Vives | ... | voice dubbing (uncredited) |