Directed by
| Alfonso Patiño Gómez | ||
Writing Credits (in alphabetical order)
| Pierre Decourcelle | ... | (novel) |
| Alfonso Patiño Gómez | ... | (adaptation) |
Cast (in credits order)
| Narciso Busquets | ... | Fanfán / Juanito | |
 |
Polo Ortín | ... | Claudio (as "Polito" Ortín) |
| Consuelo Frank | ... | Elena | |
|
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Miguel Arenas | ... | Jorge de Lara |
| Margarita Mora | ... | Carmen | |
| Francisco Jambrina | ... | Capt. Roberto Dávalos | |
| Miguel Inclán | ... | Caracol | |
|
|
Lupe Inclán | ... | Ceferina |
|
|
José Morcillo | ... | Cachalote |
|
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Alejandro Cobo | ... | Espinilla |
| Enrique García Álvarez | ... | Renato San Vicente | |
|
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Armando Velasco | ... | García |
| Rafael Icardo | ... | Comisario | |
Produced by
| Gonzalo Elvira | ... | producer |
| Jesús Grovas | ... | executive producer |
Music by
| Chucho Monge | ||
| Miguel Ángel Pazos | ||
Cinematography by
| Agustín Jiménez | ||
Editing by
| José W. Bustos | ||
Production Design by
| José Rodríguez Granada | ||
Makeup Department
| Dolores Camarillo | ... | makeup artist (as Fraustita) |
Production Management
| Antonio Guerrero Tello | ... | production manager |
Second Unit Director or Assistant Director
| Jaime Contreras | ... | assistant director |
Sound Department
| José de Pérez | ... | sound |
| Consuelo Rodríguez | ... | sound |
Camera and Electrical Department
| Manuel Gómez Urquiza | ... | camera operator |
Music Department
| Miguel Ángel Pazos | ... | musical director |
Script and Continuity Department
| Américo Fernández | ... | script supervisor |
