Directed by
| Henri Helman | ||
Writing Credits
| Berta Domínguez D. | ... | (screenplay) |
Cast (in credits order)
| Tony Curtis | ... | Parsifal Katzanella-Boden | |
 |
Berta Domínguez D. | ... | Elba Katzanella-Boden (as Cassandra Domenica) |
| Erik Estrada | ... | Henry Board II | |
| Peter Lawford | ... | Montague Chippendale | |
| Ron Moody | ... | Baron Gaspard Beersbohm | |
| Donald Pleasence | ... | Mackintosh | |
| Orson Welles | ... | Klingsor | |
| Christopher Chaplin | ... | Ivan | |
| Nancy Roberts | ... | Ruth | |
| Vladek Sheybal | ... | Morjack | |
| Ava Lazar | ... | Sheila | |
| Jay Benedict | ... | Luke | |
|
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Arthur Beatty | ... | Jasper |
| Edward Burnham | ... | Trofimov | |
| Anthony Dawson | ... | Ripple | |
| Victoria Burgoyne | ... | Contessa | |
| Stuart D. Latham | ... | Rutovitz (as Stuart Latham) | |
| David Baxt | ... | P.R. Man | |
|
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Peter Poll | ... | 1st Bodygyard |
|
|
Sally Cranfield | ... | Journalist |
|
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Christina Artemis | ... | Grace |
|
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Pamela Trigg | ... | P.R. Assistant |
| Rest of cast listed alphabetically: | |||
| Harry Fielder | ... | Man in Street (uncredited) | |
| Frank Jakeman | ... | Mafia Bodyguard (uncredited) | |
| James Payne | ... | Taxi Driver (uncredited) | |
Produced by
| Terence Young | ... | executive producer |
Music by
| Ivan Jullien | ||
| Hubert Rostaing | ||
Cinematography by
| Norman G. Langley | ... | (as Norman Langley) |
Editing by
| Peter Hollywood | ||
| Russell Lloyd | ||
Production Design by
| Malcolm Stone | ||
Production Management
| Vincent Winter | ... | production supervisor |
Second Unit Director or Assistant Director
| Allan James | ... | first assistant director |
| Callum McDougall | ... | third assistant director |
Art Department
| John Chisholm | ... | property master |
| Lucy Richardson | ... | assistant art director |
Sound Department
| Paul Carr | ... | dubbing mixer |
| David Crozier | ... | sound |
| Chris Greenham | ... | sound editor |
| John Hayward | ... | re-recording mixer |
| Anthony Sloman | ... | dubbing editor |
| Otto Snel | ... | re-recording mixer |
| Bill Barringer | ... | assistant sound editor (uncredited) |
| Colin Dandridge | ... | boom operator (uncredited) |
Camera and Electrical Department
| Geoff Glover | ... | camera operator |
| John Ignatius | ... | 1st assistant cameraman / Focus Puller |
| John Rogers | ... | best boy |
| Malcolm Smith | ... | camera grip |
| Fraser Taggart | ... | second camera assistant (as Frazer Taggart) |
Costume and Wardrobe Department
| Loris Azzaro | ... | dinner gown: Cassandra Domenica |
| Monica Howe | ... | costume consultant |
Script and Continuity Department
| Kay Mander | ... | continuity |
Additional Crew
| James Daniel | ... | computer programmer |
| Pat Pennelegion | ... | production assistant |
| Bika Reed | ... | artistic consultant |
| Christine Samways | ... | production accountant |
| John Trehy | ... | supervising accountant |
| Mary Fielder | ... | film extra (uncredited) |
