The chorus girl Caterina Duval gets the chance of her life when hired as stand-in of a famous star. On the opening night Catarina is singing, dancing and stepping into the hearts of the audience.
| Actor | Role |
|---|---|
| CCaterina ValenteCaterina Duval | Caterina Duval |
 Gerhard RiedmannRobert Mertens | Robert Mertens |
 Ruth StephanTrudchen Putzke | Trudchen Putzke |
 Hubert von MeyerinckAlfons Spadolini | Alfons Spadolini |
| SSilvio FrancescoSilvio | Silvio |
 Ernst WaldowDirektor Hagemann | Direktor Hagemann |
 Albert LievenPierre de Motestant | Pierre de Motestant |
 Brigitte MiraFrau Mertens | Frau Mertens |
 Monika PeitschNot listed | Not listed |
| EErich PoremskiNot listed | Not listed |