Directed by
| Osvaldo Civirani | ... | (as Richard Kean) |
Writing Credits (in alphabetical order)
| Tito Carpi | ||
| Osvaldo Civirani | ||
Cast (in credits order)
| Carroll Baker | ... | Julie Harrison / Mary Harrison | |
| George Hilton | ... | Tony Shane | |
| Stephen Boyd | ... | Dave Barton | |
| Lucretia Love | ... | Margaret | |
 |
Ivano Staccioli | ... | Hank |
| Luciano Pigozzi | ... | Steve Hunter | |
| Daniele Vargas | ... | James Marlowe | |
| Franco Ressel | ... | Inspector Rinker | |
| Carla Mancini | |||
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Gianni Pulone | ||
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Roberto Messina | ... | A Henchman |
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Maria Ricotti | ||
| Rest of cast listed alphabetically: | |||
|
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Fulvio Pellegrino | ... | Passeggero sull'aereo (uncredited) |
Music by
| Stelvio Cipriani | ||
Cinematography by
| Walter Civirani | ||
Editing by
| Mauro Contini | ||
Art Direction by
| Giorgio Postiglione | ||
Makeup Department
| Iolanda Conti | ... | hair stylist (as Jolanda Conti) |
| Marcello Di Paolo | ... | makeup artist |
| Marisa Manici | ... | makeup artist |
Production Management
| Graziano Fabiani | ... | production manager |
| Arend Ter Horst | ... | production manager: Holland |
Sound Department
| Nick Alexander | ... | dubbing editor |
| Pietro Ortolani | ... | sound recordist |
Camera and Electrical Department
| Nello Adami | ... | chief grip |
| Antonio Annunziata | ... | camera operator |
| Aldo Antonelli | ... | assistant camera |
| Enrico Cortese | ... | camera operator |
| Antonio Piselli | ... | gaffer |
| Pasquale Rachini | ... | camera operator |
| Luciano Tonti | ... | camera operator |
| Enzo Tosi | ... | assistant camera |
Music Department
| Nora Orlandi | ... | vocal soloist |
Script and Continuity Department
| Perdita Matteis | ... | script girl |
| Clara Tamburini | ... | script girl |
Additional Crew
| Carlo Alighiero | ... | voice dubbing: Franco Ressel (uncredited) |
| Pino Colizzi | ... | voice dubbing: George Hilton (uncredited) |
| Luciano De Ambrosis | ... | voice dubbing: Ivano Staccioli (uncredited) |
| Manlio De Angelis | ... | voice dubbing (uncredited) |
| Maria Pia Di Meo | ... | voice dubbing: Carroll Baker (uncredited) |
| Arturo Dominici | ... | voice dubbing: Luciano Pigozzi (uncredited) |
| Vittoria Febbi | ... | voice dubbing: Lucretia Love (uncredited) |
| Michele Gammino | ... | voice dubbing (uncredited) |
| Pino Locchi | ... | voice dubbing: Steven Boyd (uncredited) |
| Gianni Marzocchi | ... | voice dubbing: Daniele Vargas (uncredited) |
