Famous composer Millöcker saves lovesick clerk Ferdinand from killing himself and helps him impress and get close to Henriette, the rich heiress the boy adores. But one day Ferdinand overhears Millöcker confessing his own love to the girl.
| Actor | Role |
|---|---|
 Paul HörbigerKomponist Carl Millöcker | Komponist Carl Millöcker |
 Hans HoltFerdinand Engel | Ferdinand Engel |
 Theo LingenWimmerl | Wimmerl |
 Hilde HildebrandHausdame Yvonne | Hausdame Yvonne |
| MMax HoellerLeopold König, Zuckerl-König | Leopold König, Zuckerl-König |
| MMargot JahnenHenriette König, seine Tochter | Henriette König, seine Tochter |
| JJulius BennetBaron Lazarini | Baron Lazarini |
| GGisa WurmWetti | Wetti |