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Jan Kiepura as Giovanni Cavallone |
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Brigitte Helm as Claire Landshoff - junge Witwe |
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Walter Janssen as Professor Andreas Breuling |
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Trude Berliner as Carmela - neapolitanisches Mädchen |
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Georg Alexander as Rudi Feldegger |
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Franz Maldacea as Tupf - Carmelas Bruder (as Francesco Maldacea) |
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Käte Bill as Susanne - Claires Zofe |
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Henry Bender as Herr Maier aus Berlin |
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Hermann Blaß as Der Empfangschef |
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Teddy Bill as Heini Ladenburg / Claires Verehrer |
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Carl Goetz as Der Nachtportier |
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Martin Kosleck as Bobby Bertling - Claires Verehrer |
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Carol Ress as Marthe - Claires Zofe |
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Charlie Roellinghoff as Poldi Falkner - Claires Verehrer |
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Ernõ Szenes as Siegmund Königsberger - ein Konzertagent (as Ernst Senesch) |
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C.H. Todd as Mr. Parkins aus London |
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Hans Heinrich von Twardowski as Willi von Wellheim - Claires Verehrer |
| Directing | Carmine Gallone | Director |
| Writing | Hans Székely | Writer |
| Production | Arnold Pressburger | Producer |
| Production | Bernard Vorhaus | Line Producer |
| Camera | Curt Courant | Director of Photography |
| Camera | Arpad Viragh | Director of Photography |
| Art | Oscar Friedrich Werndorff | Art Direction |
| Sound | Ernesto Tagliaferri | Original Music Composer |
| Sound | Philip Braham | Original Music Composer |
| Sound | Paul Abraham | Original Music Composer |
