Directed by
| Tulio Demicheli | ... | (as Tulio Demichelli) |
Writing Credits
| Pedro Mario Herrero | ... | (story) |
| Pedro Mario Herrero | ... | (screenplay) |
| Mario di Nardo | ... | (screenplay) |
Cast (in credits order)
| George Hilton | ... | Dr. Roberto Carli | |
| Fernando Rey | ... | Inspector Nardi | |
| Luciana Paluzzi | ... | Elena Carli | |
| Anita Strindberg | ... | Dr. Paola Lombardi | |
| Manuel Zarzo | ... | Félix - Nardi's assistant | |
| Luis Dávila | ... | Dr. Michele Azzini | |
| Eduardo Fajardo | ... | Luisi | |
 |
Antonio del Real | ... | Dr. Michele Azzini |
| Carla Mancini | |||
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Teresa Guaida | ... | Maria - Maid (as Teresa Guayda González) |
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Dinorah Ayala | ... | Chica limpiaparabrisas |
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Emilio Portela | ... | Agente |
Produced by
| José Gutiérrez Maesso | ... | producer (as José G. Maesso) |
Music by
| Franco Micalizzi | ||
Cinematography by
| Manuel Rojas | ||
Editing by
| Ángel Serrano | ||
Art Direction by
| Francisco Canet | ||
| Gastone Carsetti | ||
Production Management
| Carlo Giovagnorio | ... | unit manager |
| Faustino Ocaña | ... | production manager |
Art Department
| Rafael Borqué | ... | assistant set decorator |
| Juan Gracia | ... | property master |
Camera and Electrical Department
| Oddone Bernardini | ... | assistant camera |
| José Cobos | ... | assistant camera |
| Angelo Lannutti | ... | camera operator (as Arcangelo Lannutti) |
| Aldo Marchiori | ... | assistant camera |
| Teodoro Roa | ... | camera operator (as T. Roa) |
| José Salvador | ... | still photographer |
Costume and Wardrobe Department
| Franco Antonelli | ... | wardrobe |
| Osanna Guardini | ... | wardrobe |
Script and Continuity Department
| Olga Moller | ... | continuity |
Additional Crew
| Martínez Bordiú | ... | open heart surgery (as Dr. Martínez Bordiú) |
| Antonio González | ... | production assistant |
| Ángel M. Ocaña | ... | second production assistant |
| Pino Colizzi | ... | voice dubbing: George Hilton (uncredited) |
| Vittoria Febbi | ... | voice dubbing: Anita Strindberg (uncredited) |
| Carlo Romano | ... | voice dubbing: Fernando Rey (uncredited) |
| Rita Savagnone | ... | voice dubbing: Luciana Paluzzi (uncredited) |
