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Jeanette MacDonald as Marcia Mornay |
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Nelson Eddy as Paul Allison |
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John Barrymore as Nicolai Nazaroff |
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Herman Bing as August Archipenko |
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Tom Brown as Kip Stuart |
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Lynne Carver as Barbara Roberts |
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Rafaela Ottiano as Ellen |
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Charles Judels as Cabby |
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Paul Porcasi as Trentini |
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Sig Ruman as Fanchon (as Sig Rumann) |
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Walter Kingsford as Mr. Rudyard |
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Guy Bates Post as Louis Napoleon |
| Directing | Robert Z. Leonard | Director |
| Writing | Rida Johnson Young | Opera |
| Writing | Noel Langley | Writer |
| Writing | Rida Johnson Young | Theatre Play |
| Sound | Sigmund Romberg | Songs |
| Writing | Rida Johnson Young | Lyricist |
| Sound | Herbert Stothart | Songs |
| Writing | George Forrest | Lyricist |
| Writing | Robert Wright | Lyricist |
| Production | Irving Thalberg | Executive Producer |
| Production | Robert Z. Leonard | Producer |
| Production | Hunt Stromberg | Producer |
| Production | Gregor Rabinovitch | Producer |
| Camera | Oliver T. Marsh | Director of Photography |
| Editing | Conrad A. Nervig | Editor |
| Art | Cedric Gibbons | Art Direction |
| Costume & Make-Up | Adrian | Costume Design |
| Directing | Joseph M. Newman | Assistant Director |
| Directing | Marvin Stuart | Assistant Director |
| Sound | Rida Johnson Young | Songs |
| Sound | George Forrest | Songs |
| Sound | Robert Wright | Songs |
| Sound | Herbert Stothart | Original Music Composer |
| Sound | Edward Ward | Original Music Composer |
| Sound | Sigmund Romberg | Music |
| Costume & Make-Up | Lyle Dawn | Makeup Artist |
| Sound | Douglas Shearer | Sound Engineer |
