Directed by
| Mario Soldati | ||
Writing Credits
| Graham Greene | ... | (story) |
| Giorgio Bassani | ... | (screenplay) and |
| Guy Elmes | ... | (screenplay) |
Cast (in credits order) verified as complete
| Richard Basehart | ... | Joe Hamstringer | |
| Trevor Howard | ... | Major Roger Court | |
| Alida Valli | ... | Roberta Gleukovitch | |
| Eduardo Ciannelli | ... | Dr. Vivaldi | |
| Richard O'Sullivan | ... | Roger Court | |
| Stephen Murray | ... | British Consul in Venice | |
| Arnoldo Foà | ... | Commissioner | |
| Guido Celano | ... | Chief Constable | |
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Giorgio Costantini | ... | Pescovitch |
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Angelo Cecchelin | ... | Luza |
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Nino Vechina | ... | First Killer |
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Armando Papette | ... | Second Killer |
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Giovanni Karuz | ... | Third Killer |
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Joan Butterfield | ... | Mrs. Harrington |
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Alessandro Paulon | ... | Morgan |
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Remington Olmsted | ... | Ramondo (as Remington Olmstead) |
| Rest of cast listed alphabetically: | |||
| Nerio Bernardi | ... | Minor Role (uncredited) | |
| Helen Goss | ... | Undetermined Role (uncredited) | |
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Jacopo Tecchi | ... | Minor Role (uncredited) |
Produced by
| Graham Greene | ... | producer |
| Peter Moore | ... | producer |
| Angelo Rizzoli | ... | producer |
| John Stafford | ... | producer |
Music by
| Nino Rota | ||
Cinematography by
| Enzo Serafin | ||
Editing by
| Leo Catozzo | ||
| Tom Simpson | ||
Production Design by
| Luigi Scaccianoce | ||
Costume Design by
| Rosi Gori | ||
Makeup Department
| Sidney Turner | ... | makeup artist |
Production Management
| John Brabourne | ... | production manager |
| Franco Magli | ... | production manager (uncredited) |
Second Unit Director or Assistant Director
| Harold Buck | ... | assistant director |
| Geoffrey Helman | ... | assistant director |
| Cesare Olivieri | ... | second assistant director |
Sound Department
| Leslie Hodgson | ... | sound editor |
| Charles Knott | ... | sound mixer |
| C.H. Saunders | ... | sound recordist |
| Peter Davies | ... | sound re-recordist (uncredited) |
Camera and Electrical Department
| Austin Dempster | ... | camera operator |
| Peter Hennessy | ... | lighting cameraman |
Music Department
| Franco Ferrara | ... | musical director |
Script and Continuity Department
| Betty Forster | ... | continuity |
Additional Crew
| Guy Elmes | ... | dialogue coach |
| Emilio Cigoli | ... | voice dubbing: Trevor Howard (uncredited) |
| Giulio Panicali | ... | voice dubbing: Richard Basehart (uncredited) |
| Stefano Sibaldi | ... | voice dubbing: Stephen Murray (uncredited) |
| Lydia Simoneschi | ... | voice dubbing: Alida Valli (uncredited) |
