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David McCallum as Stanley Thrumm |
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Sylva Koscina as Carla Moretti |
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Tammy Grimes as Angela Sparrow |
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Harvey Korman as Harvey Tomlinson |
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Domenico Modugno as Remo Romano |
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Aldo Fabrizi as Dr. Manzoni |
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Mirella Maravidi as Francesca Bianchini |
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Riccardo Garrone as Croupier |
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Avril Angers as Gladys Tomlinson |
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Claude Aliotti as Teddy Farnum |
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Freda Bamford as Gussie Hagstrom |
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Arthur Hewlett as Alfred Guffy |
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Alison Frazer as Peg Farnum |
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Cardew Robinson as Bernhard Hagstrom |
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Eddra Gale as The Yodeler |
| Directing | Alvin Ganzer | Director |
| Writing | George Wells | Writer |
| Art | Elliot Scott | Art Direction |
| Camera | Gábor Pogány | Director of Photography |
| Directing | Joe Pollini | Assistant Director |
| Production | Harry Fine | Associate Producer |
| Production | Orazio Tassara | Production Supervisor |
| Sound | Cyril Swern | Sound Recordist |
| Costume & Make-Up | Amato Garbini | Makeup Artist |
| Costume & Make-Up | Pino Lancetti | Costume Design |
| Art | Arrigo Breschi | Set Decoration |
| Production | Alvin Ganzer | Producer |
| Editing | Norman Savage | Editor |
| Sound | Franklin Milton | Sound Recordist |
| Sound | Eddy Lawrence Manson | Music |
| Production | Irene Howard | Casting |
| Art | John Barry | Assistant Art Director |
