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Deborah Kerr as Grace Allingham |
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Rossano Brazzi as Charles Edouard de Valhubert |
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Maurice Chevalier as Duc de St. Cloud |
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Martin Stephens as Sigismond |
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Tom Helmore as Hugh Palgrave |
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Ronald Squire as Sir Conrad Allingham |
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Patricia Medina as Albertine |
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Mona Washbourne as Nanny |
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Steven Geray as Guide |
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Lumsden Hare as John |
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Kim Parker as Secretary |
| Writing | Nancy Mitford | Novel |
| Writing | Karl Tunberg | Screenplay |
| Directing | Jean Negulesco | Director |
| Art | Henry Grace | Set Decoration |
| Camera | George J. Folsey | Director of Photography |
| Camera | Milton Krasner | Director of Photography |
| Art | F. Keogh Gleason | Set Decoration |
| Costume & Make-Up | Helen Rose | Costume Design |
| Art | Donald M. Ashton | Art Direction |
| Production | Karl Tunberg | Producer |
| Sound | Franz Waxman | Original Music Composer |
| Editing | Harold F. Kress | Editor |
| Art | William A. Horning | Art Direction |
| Art | Randall Duell | Art Direction |
