Directed by
| Luis Marquina | ||
Writing Credits (in alphabetical order)
| J. Luis Albéniz | ||
| José María Arroita-Jáuregui | ... | (play) |
| Jesús Azcarreta | ||
| Luis Marquina | ||
| Francisco Navarro Villoslada | ... | (novel) |
Cast (in credits order)
| Susana Canales | ... | Amaya | |
| Julio Peña | ... | Íñigo García | |
| José Bódalo | ... | Teodosio | |
 |
Pedro Porcel | ... | Vladimiro |
| Porfiria Sanchíz | ... | Amagoys | |
|
|
Ramón Elías | ... | Hermano Paconio |
| Francisco Pierrá | ... | Miguel de Goñi | |
|
|
Rafael Luis Calvo | ... | Eudonio |
|
|
Eugenia Zúffoli | ... | Constanza |
|
|
Armando Moreno | ... | Capitán Munio |
| Rest of cast listed alphabetically: | |||
|
|
Manuel Aguilera | ... | Ausonio |
|
|
Mariano Alcón | ||
| Rafael Arcos | ... | Pelayo | |
| Rafael Calvo Revilla | |||
|
|
Benito Cobeña | ||
| Félix Dafauce | |||
|
|
Francisco Hernández | ||
| Arturo Marín | ... | Asben | |
| Manolo Morán | ... | Saturnino Aizcur | |
|
|
Miguel Pastor | ... | Anatolio (as Miguel Pastor Mata) |
| Mónica Pastrana | ... | Olaya | |
| Santiago Rivero | ... | Echeverría | |
|
|
Luisa Rodrigo | ... | Petronila |
Cinematography by
| José F. Aguayo | ||
| Heinrich Gärtner | ... | (as Enrique Guerner) (outdoors: Basque country and Navarra) |
Editing by
| Magdalena Pulido | ||
Art Direction by
| Luis Pérez Espinosa | ||
Makeup Department
| Julián Ruiz | ... | makeup artist |
Art Department
| Francisco Prósper | ... | construction coordinator |
Visual Effects by
| Emilio Ruiz del Río | ... | matte painter (uncredited) |
Camera and Electrical Department
| Miguel Barquero | ... | assistant camera |
| Francisco Sempere | ... | camera operator |
Additional Crew
| Francisco Arenzana | ... | voice dubbing: Pedro Porcel (uncredited) |
| Antonio García Quijada | ... | voice dubbing (uncredited) |
| Lola del Pino | ... | voice dubbing: Eugenia Zúffoli (uncredited) |
| Ana María Saizar | ... | voice dubbing: Mónica Pastrana (uncredited) |
| José Sepúlveda | ... | voice dubbing (uncredited) |
