Directed by
| Flavio Mogherini | ||
Writing Credits
| Flavio Mogherini | ... | (story) and |
| Rafael Sánchez Campoy | ... | (story) (as Rafael Sanchez Campoy) |
| Flavio Mogherini | ... | (written by) |
| Rafael Sánchez Campoy | ... | (international version) (uncredited) |
Cast (in credits order) complete, awaiting verification
| Ray Milland | ... | Inspector Timpson | |
| Dalila Di Lazzaro | ... | Linda Blythe | |
| Michele Placido | ... | Antonio Attolini | |
| Howard Ross | ... | Roy Conner | |
| Ramiro Oliveros | ... | Inspector Ramsey | |
| Mel Ferrer | ... | Professor Henry Douglas | |
| Fernando Fernán Gómez | ... | Forensics Detective | |
| Antonio Ferrandis | ... | Nottingham (as Antonio Ferrandiz) | |
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Giacomo Assandri | ... | Quint |
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Vanessa Vitale | ... | Quint's Neighbor |
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Mónica Rey | ... | Patricia Clark Dorsey |
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Andrea Gnecco | ||
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Sandra Dobrigna | ... | Little Girl |
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Irma Padolecchia | ... | (as Irina Padolecchia) |
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Franca Lumachi | ||
| Enzo Staiola | |||
| Rest of cast listed alphabetically: | |||
| Luis Barboo | ... | Viewer of Body in Glass Case (uncredited) | |
| Tito García | ... | Fat Man in Final Foursome (uncredited) | |
| Rod Mullinar | ... | Inspector Morris (uncredited) | |
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Eugene Walter | ... | Dorsey (uncredited) |
Produced by
| Giorgio Salvioni | ... | producer |
| John Taylor | ... | associate producer |
Music by
| Riz Ortolani | ||
Cinematography by
| Carlo Carlini | ... | director of photography |
| Raúl Artigot | ... | (international version) (uncredited) |
Editing by
| Adriano Tagliavia | ||
Production Design by
| Franco Velchi | ||
Set Decoration by
| Eduardo Torre de la Fuente | ||
Costume Design by
| Roberto Ranucci | ||
Makeup Department
| Paolo Borselli | ... | hair stylist |
| Cristina Rocca | ... | makeup artist |
Production Management
| José Luis Bermúdez de Castro Acaso | ... | production manager (as José Luis Bermúdez de Castro) |
| Patricia Blunt | ... | production manager: Australia |
| Felice D'Alisera | ... | production manager |
Second Unit Director or Assistant Director
| Ferruccio Castronuovo | ... | assistant director |
| José María Ochoa | ... | assistant director (as Jose Maria Ochoa) |
Art Department
| Eduardo Torre de la Fuente | ... | architect (as Edoardo Torre de la Fuente) |
| Franco Velchi | ... | decor |
| Francisco Prósper | ... | construction coordinator (uncredited) |
Sound Department
| Nick Alexander | ... | dubbing editor |
| Fausto Ancillai | ... | sound mixer |
| Rocco Roy Mangano | ... | sound recordist (as Roy Mangano) |
| Kevin Kearney | ... | sound recordist (uncredited) |
Camera and Electrical Department
| Vittorio Biffani | ... | still photographer |
| Massimo Carlini | ... | assistant camera |
| Giorgio Tonti | ... | camera operator |
Costume and Wardrobe Department
| Roberto Ranucci | ... | wardrobe master |
Editorial Department
| Cesare D'Amico | ... | first assistant editor |
| Mario Recupito | ... | second assistant editor |
Music Department
| Amanda Lear | ... | composer: songs "Your Yellow Pijama" and "Look at Her Dancing" |
| Riz Ortolani | ... | composer: songs "Your Yellow Pijama" and "Look at Her Dancing" / conductor |
| Giorgio Agazzi | ... | music engineer (uncredited) |
| Riz Ortolani | ... | orchestrator (uncredited) |
Script and Continuity Department
| Maria Luisa Merci | ... | script supervisor (as Marisa Merci) |
Additional Crew
| Carlo Emmi | ... | production coordinator / production secretary |
| Carolyn De Fonseca | ... | voice dubbing (English version) (uncredited) |