Directed by
| Henry Cass | ||
Writing Credits
| John Hunter | ... | (written for the screen by) & |
| Joseph Janni | ... | (written for the screen by) & |
| Henry Cass | ... | (written for the screen by) |
| Emery Bonnett | ... | (additional dialogue) (as Emery Bonett) & |
| John Cousins | ... | (additional dialogue) |
Cast (in credits order) complete, awaiting verification
| Dulcie Gray | ... | Anne | |
| Michael Denison | ... | Richard | |
| Valentina Cortese | ... | Alida | |
| Sebastian Shaw | ... | Bruce | |
 |
Tito Gobbi | ... | Tito (segment 'Antonio' in opera) |
| Antonio Centa | ... | Gino | |
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F. Terschack | ... | Doctor |
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Arnold Marlé | ... | Fenice Administrator |
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Sydney King | ... | Charles (as Sidney King) |
| Rest of cast listed alphabetically: | |||
| Valentine Dyall | ... | Opera Narrator (uncredited) | |
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Victor Rietti | ... | (uncredited) |
| Robert Rietty | ... | Gino (voice) (uncredited) | |
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Elena Rizzieri | ... | Elena Rizzieri (segment 'Maria' in opera) (uncredited) |
| Larry Taylor | ... | Sleeping Man (uncredited) | |
Produced by
| Joseph Janni | ... | producer |
| Frederic Zelnik | ... | producer (as Fred Zelnik) |
Music by
| Nino Rota | ||
Cinematography by
| William McLeod | ... | director of photography (as Bill McLeod) |
Editing by
| Lister Laurance | ||
Art Direction by
| Terence Verity | ||
Makeup Department
| Gordon Bond | ... | assistant hair stylist (uncredited) |
| Kenneth McKay | ... | makeup artist (uncredited) |
| Doris Pollard | ... | hair stylist (uncredited) |
Production Management
| Theo Lageard | ... | production manager |
| John Sutro | ... | in charge of production |
Second Unit Director or Assistant Director
| Gus Agosti | ... | assistant director (as I.E. Agosti) |
| Robert Asher | ... | assistant director |
| Clive Midwinter | ... | second assistant director: second unit (uncredited) |
| John Llewellyn Moxey | ... | assistant director (uncredited) |
| David W. Orton | ... | second assistant director (uncredited) |
| Peter Price | ... | third assistant director (uncredited) |
Art Department
| Anthony Haley | ... | assistant art director |
| Bill Bennison | ... | draughtsman (uncredited) |
| Bertram Evans | ... | scenic artist (uncredited) |
| Burt Evans | ... | scenic artist (uncredited) |
Sound Department
| Tommy Meyers | ... | sound recordist (as John Myers) |
| Jack Davies | ... | boom operator (uncredited) |
| William DeLane Lea | ... | sound editor (uncredited) |
| Clifford Sandall | ... | sound mixer (uncredited) |
Camera and Electrical Department
| Arthur Grant | ... | camera operator |
| Otello Martelli | ... | Italian location (as O. Martelli) |
| William McLeod | ... | Italian location (as Bill McLeod) |
| Humphrey Cull | ... | clapper loader (uncredited) |
| Frank Drake | ... | camera operator: second unit (uncredited) |
| Tony White | ... | focus puller: second unit (uncredited) |
| Eric Williams | ... | clapper loader (uncredited) |
Costume and Wardrobe Department
| Molly Arbuthnot | ... | wardrobe (uncredited) |
| Evelyn Gibbs | ... | wardrobe assistant (uncredited) |
Editorial Department
| Adam Dawson | ... | assistant editor |
Music Department
| Franco Ferrara | ... | conductor: opera sequences |
| Tito Gobbi | ... | opera sequences played by, of the Scala Opera House, Milan |
| Elena Rizzieri | ... | opera sequences played by, of the Scala Opera House, Milan |
| A.E. Rudolph | ... | music re-recordist / music recordist |
| Louis Levy | ... | conductor: Rota score (uncredited) |
Script and Continuity Department
| Elaine Schreyeck | ... | continuity (as Elaine Shreyeck) |
| Brenda Whitby | ... | continuity |
Additional Crew
| Edoardo Anton | ... | Italian adviser (as E. Anton) |
| June Faithfull | ... | production secretary (uncredited) |
