Austrian actress Mady Christians stars alongside German matinee idol Willy Fritsch in this adaptation of the Oscar Straus operetta about a Prince who, after falling for a Viennese girl, becomes obsessed with the city and its customs.
| Actor | Role |
|---|---|
 Willy FritschNicholas Graf Preyn | Nicholas Graf Preyn |
 Mady ChristiansPrinzessin Alix | Prinzessin Alix |
 Xenia DesniFranzi Steingruber | Franzi Steingruber |
 Lydia PotechinaSteffi, Bassistin | Steffi, Bassistin |
| MMathilde SussinFrl. von Koeckeritz | Frl. von Koeckeritz |
 Karl BeckersachsErzherzog Peter Franz | Erzherzog Peter Franz |
 Julius FalkensteinRockhoff von Hoffrock | Rockhoff von Hoffrock |
 Hans BrausewetterDer Pikkolo | Der Pikkolo |
 Jakob TiedtkeEberhard XXIII von Flausenthurm | Eberhard XXIII von Flausenthurm |
 Lucie HöflichNot listed | Not listed |