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Margaret Lockwood as Nina |
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Vic Oliver as Sascha |
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Peter Graves as Peter Pyke |
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Roland Culver as Ferdinand |
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Jean Simmons as Heidi |
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Eliot Makeham as Dumka |
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Iris Lang as Tania |
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George Relph as Otto |
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Max Bacon as Jacobus |
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Gibb McLaughlin as Marcel |
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Irene Handl as Miss Haddock |
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Henry Hewitt as Announcer |
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Alan Keith as Raphael |
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Frank Cellier as Pyke |
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John Salew as |
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George Merritt as |
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Jonathan Field as |
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Harry Fowler as Bellboy (uncredited) |
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Charles Paton as (uncredited) |
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Victor Rietti as Maître d (uncredited) |
| Writing | Val Guest | Writer |
| Writing | Caryl Brahms | Novel |
| Production | Edward Black | Producer |
| Writing | S.J. Simon | Novel |
| Directing | Val Guest | Director |
| Art | Maurice Carter | Art Direction |
| Costume & Make-Up | Elizabeth Haffenden | Costume Design |
| Camera | Phil Grindrod | Director of Photography |
| Sound | Bob Busby | Original Music Composer |
| Editing | R. E. Dearing | Editor |
| Costume & Make-Up | Len Garde | Makeup Artist |
| Sound | Louis Levy | Music Director |
| Production | Fred Gunn | Production Manager |
| Sound | B. C. Sewell | Sound Supervisor |
