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Tony Curtis as Parsifal Katzanella-Boden |
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Berta Domínguez D. as Elba Katzanella-Boden |
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Erik Estrada as Henry Board II |
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Peter Lawford as Montague Chippendale |
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Ron Moody as Baron Gaspard Beersbohm |
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Donald Pleasence as Mackintosh |
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Orson Welles as Klingsor |
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Christopher Chaplin as Ivan |
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Nancy Roberts as Ruth |
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Vladek Sheybal as Morjack |
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Ava Lazar as Sheila |
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Jay Benedict as Luke |
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Edward Burnham as Trofimov |
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Anthony Dawson as Ripple |
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Victoria Burgoyne as Gabriella Veronica |
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Stuart D. Latham as Rutovitz |
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David Baxt as PR Man |
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Peter Poll as Bodygyard |
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Sally Cranfield as Journalist |
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Christina Artemis as Grace |
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Pamela Trigg as PR Assistant |
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Arthur Beatty as Jasper |
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Harry Fielder as Man in Street (uncredited) |
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Frank Jakeman as Mafia Bodyguard (uncredited) |
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James Payne as Taxi Driver (uncredited) |
| Directing | Henri Helman | Director |
| Writing | Berta Domínguez D. | Screenplay |
| Production | Terence Young | Executive Producer |
| Sound | Ivan Jullien | Original Music Composer |
| Sound | Hubert Rostaing | Original Music Composer |
| Editing | Peter Hollywood | Editor |
| Editing | Russell Lloyd | Editor |
| Art | Malcolm Stone | Art Direction |
| Camera | Fraser Taggart | Camera Production Assistant |
| Camera | Norman G. Langley | Director of Photography |
| Directing | Callum McDougall | Third Assistant Director |