Based on the spectacular rise of bandleader and vaudevillian Harry Roy, this is the comic tale of a Ruritanian princess who elopes with a dance-band leader.
| Actor | Role |
|---|---|
| HHarry RoyHimself | Himself |
| PPrincess PearlPrincess Paula | Princess Paula |
 Dorothy BoydGrethe von Essen | Grethe von Essen |
 Clarissa SelwynneMiss Mimms | Miss Mimms |
| RRobert EnglishThe Duke | The Duke |
| GGerald BarryCount Rudolf | Count Rudolf |
| PPhyllis ThackeryLucy | Lucy |
| BBill CurrieGeorge Wade | George Wade |
| AAgnes BrantfordMrs. Wade | Mrs. Wade |
 Syd CrossleyWaiter | Waiter |
 Arthur ClaytonManager | Manager |
| JJohnny NittTap Dancer | Tap Dancer |
| MMabel MercerVocalist Speciality | Vocalist Speciality |