Directed by
| Silvio Amadio | ||
Writing Credits
| Silvio Amadio | ... | (story) |
| Silvio Amadio | ... | (screenplay) |
Cast (in credits order)
| Farley Granger | ... | Richard Stuart | |
| Barbara Bouchet | ... | Greta Franklin | |
| Rosalba Neri | ... | Eleanora Stuart | |
| Umberto Raho | ... | Giovanni the Butler | |
 |
Patrizia Viotti | ... | Sally Reece |
| Dino Mele | ... | Sandro | |
|
|
Petar Martinovitch | ... | Rocco |
|
|
Nino Segurini | ... | Commissioner Antonelli |
| Rest of cast listed alphabetically: | |||
|
|
Bruno Alias | ... | Party Guest (uncredited) |
Produced by
| Roberto Palaggi | ... | executive producer |
| Italo Zingarelli | ... | producer |
Music by
| Teo Usuelli | ||
Cinematography by
| Aldo Giordani | ... | director of photography |
Editing by
| Antonio Siciliano | ||
Art Direction by
| Enzo Bulgarelli | ||
Makeup Department
| Franco Schioppa | ... | makeup artist |
Production Management
| Ruggero Cappelli | ... | production manager |
| Ezio Palaggi | ... | executive in charge of production |
| Claudio Vinale | ... | production manager |
Art Department
| Mario Mastrogiacomo | ... | assistant set dresser |
Sound Department
| Franco Groppioni | ... | sound (as Francesco Groppioni) |
Camera and Electrical Department
| Enrico Fontana | ... | assistant camera |
| Angelo Lannutti | ... | camera operator |
Editorial Department
| Lucia Melis | ... | assistant editor |
Music Department
| Teo Usuelli | ... | musical director |
| Edda Dell'Orso | ... | soloist (uncredited) |
Additional Crew
| Vittoria Febbi | ... | voice dubbing: Barbara Bouchet (uncredited) |
| Sergio Graziani | ... | voice dubbing: Farley Granger (uncredited) |
| Gianni Marzocchi | ... | voice dubbing: Umberto Raho (uncredited) |
| Rita Savagnone | ... | voice dubbing: Rosalba Neri (uncredited) |
