Directed by
| Lionello De Felice | ||
Writing Credits
| Lionello De Felice | ... | (screenplay) & |
| Ernesto Guida | ... | (screenplay) & |
| Vittorio Nino Novarese | ... | (screenplay) |
| Lionello De Felice | ... | (dialogue) & |
| Ernesto Guida | ... | (dialogue) & |
| Vittorio Nino Novarese | ... | (dialogue) |
| Luis Marquina | ... | (spanish version) |
Cast (in credits order)
| Alberto Closas | ... | Diego | |
| Gino Cervi | ... | Comisario | |
| Lina Rosales | ... | Laura | |
| Rafael Durán | ... | Gaspar Lucchesi | |
| Luz Márquez | ... | Jeanette | |
| Maruja García Alonso | ... | Cristina (as María García Alonso) | |
| José Marco | ... | Miguel | |
| Mara Cruz | ... | Paulita | |
| Isabel Pallarés | ... | Teresa (as Mª Isabel Pallarés) | |
 |
Ángel Calero | ... | Antonio |
|
|
Carlos M. Tejada | ... | Sargento (as Carlos Tejada) |
| Antonio Alfonso Vidal | ... | Doctor (as Alfonso Vidal) | |
| Luis Peña | ... | Andrés | |
Produced by
| Luis Marquina | ... | producer |
Music by
| Manuel Parada | ||
Cinematography by
| José María Beltrán | ... | (as José Mª Beltrán) |
Editing by
| Magdalena Pulido | ||
Production Design by
| Enrique Alarcón | ||
Set Decoration by
| Enrique Alarcón | ||
Makeup Department
| Mercedes Paradela | ... | assistant makeup artist |
| Asunción Sánchez | ... | makeup artist |
Production Management
| Ramón Plana | ... | production manager |
Second Unit Director or Assistant Director
| Enrique F. Sagaseta | ... | assistant director |
Art Department
| José Antonio de la Guerra | ... | assistant set decorator (as José A. de la Guerra) |
| Tomás Fernández | ... | construction coordinator |
| Vicente Martín | ... | property master |
Sound Department
| Gabriel Basagaña | ... | sound manager (as Gabriel Basagañas) |
| Jaime Torrens | ... | general sound manager |
Camera and Electrical Department
| Miguel Agudo | ... | camera operator |
| Ramón Fernández Prestamero | ... | assistant camera (as Ramón Prestamero) |
| Antonio Ibáñez | ... | still photographer |
Editorial Department
| Ana Colmenares | ... | assistant editor |
Script and Continuity Department
| Luis Ligero | ... | script supervisor |
Additional Crew
| Enrique Cabeza | ... | production assistant |
| Antonio L. Padial | ... | titles |
| Joaquín Serrano | ... | second production assistant |
| Salvador Arias | ... | voice dubbing: Carlos M. Tejada (uncredited) |
| Rafael Calvo Revilla | ... | voice dubbing: Antonio Alfonso Vidal- one line only (uncredited) |
| María Fernanda D'Ocón | ... | voice dubbing: Mara Cruz (uncredited) |
| Julio Goróstegui | ... | voice dubbing: Ángel Calero (uncredited) |
| Celia Honrubia | ... | voice dubbing: Isabel Pallarés (uncredited) |
| Luis María Lasala | ... | voice dubbing: Antonio Alfonso Vidal (uncredited) |
| Carmen Morando | ... | voice dubbing: Luz Márquez (uncredited) |
| Carlos Revilla | ... | voice dubbing: José Marco (uncredited) |
| Francisco Sánchez | ... | voice dubbing: Gino Cervi (uncredited) |
