Directed by
| René Clément | ||
Writing Credits (in alphabetical order)
| Nicola Badalucco | ... | (screenplay) |
| Nicola Badalucco | ... | (story) |
| René Clément | ... | (screenplay) |
| Mark Peploe | ... | (screenplay) |
| Luciano Vincenzoni | ... | (screenplay) |
| Luciano Vincenzoni | ... | (story) |
Cast (in credits order) complete, awaiting verification
| Maria Schneider | ... | Michelle | |
| Sydne Rome | ... | Ann | |
| Vic Morrow | ... | Vic, the kidnapper | |
| Robert Vaughn | ... | Stuart Chase | |
| John Whittington | ... | 'Boots' Peter Franklin | |
| Nadja Tiller | ... | Lotte | |
| Carl Möhner | ... | Cyrus Franklin (as Karl Mohner) | |
| Clelia Matania | ... | Old neighbour | |
| Marco Tulli | ... | Commissaire Trieste | |
| Armando Brancia | ... | Inspector Carrara | |
 |
Georg Marischka | ... | Henderson |
| Renato Pozzetto | ... | Gianni, Michélle's friend | |
| Rest of cast listed alphabetically: | |||
| Maria Cumani Quasimodo | ... | Princess Ruspini (uncredited) | |
|
|
Margherita Horowitz | ... | Maid (uncredited) |
Produced by
| Jacques Bar | ... | executive producer / producer |
| Zev Braun | ... | producer |
| Carlo Ponti | ... | producer |
| Wolfdieter von Stein | ... | producer |
Music by
| Francis Lai | ||
Cinematography by
| Alberto Spagnoli | ||
Editing by
| Christiane Lack | ||
| Fedora Zincone | ||
Art Direction by
| Carlo Egidi | ... | (as Carlo Egidii) |
Set Decoration by
| Carlo Gervasi | ||
Costume Design by
| Nadia Vitali | ||
Makeup Department
| Otello Fava | ... | makeup artist |
| Luciano Vito | ... | hair stylist |
Production Management
| Luciano Piperno | ... | production supervisor |
Second Unit Director or Assistant Director
| Antonio Gabrielli | ... | assistant director |
| Marco Pettini | ... | assistant director |
Sound Department
| Carlo Palmieri | ... | sound |
Special Effects by
| Carlo De Marchis | ... | special effects assistant (uncredited) |
| Carlo Rambaldi | ... | special effects supervisor (uncredited) |
Stunts
| Vic Morrow | ... | stunts |
Camera and Electrical Department
| Giovanni Fiore Coltellacci | ... | assistant camera (as Giovanni Fiore) |
| Emilio Loffredo | ... | camera operator |
Casting Department
| Jose Villaverde | ... | casting (uncredited) |
Editorial Department
| Catherine Zins | ... | assistant editor |
Music Department
| André Ceccarelli | ... | musician |
| Christian Gaubert | ... | conductor / music arranger / musician |
| Raymond Jimenez | ... | musician |
| Jannick Top | ... | musician |
Script and Continuity Department
| Anita Borgiotti | ... | script supervisor |
Additional Crew
| Sergio Bologna | ... | administrator |
| Luciano Piperno | ... | general manager |
