A long time-span of Austrian history (from the late 19th century to the years after world war II) is reflected in the ups and downs of a family of piano-makers in Vienna.
| Actor | Role |
|---|---|
 Paula WesselyHenriette Alt, geb. Stein | Henriette Alt, geb. Stein |
 Helene ThimigGretel | Gretel |
 Hedwig BleibtreuSophie Alt | Sophie Alt |
 Alma SeidlerPauline Drauffen | Pauline Drauffen |
 Maria SchellSelma Rösner | Selma Rösner |
 Adrienne GessnerFürstin Pauline Metternich | Fürstin Pauline Metternich |
 Erni MangoldMartha Monica Alt | Martha Monica Alt |
 Attila HörbigerFranz Alt | Franz Alt |
 Paul HörbigerOtto-Eberhard Alt | Otto-Eberhard Alt |
 Hans HoltHans Alt | Hans Alt |
 Oskar WernerHermann Alt | Hermann Alt |
 Fred LiewehrKronprinz Rudolf | Kronprinz Rudolf |
 Curd JürgensGraf Leopold Traun | Graf Leopold Traun |
 Karlheinz BöhmFranz Alt jun. | Franz Alt jun. |
 Peter AlexanderGast bei Frau Stein | Gast bei Frau Stein |
 Alfred NeugebauerKriminalbeamter | Kriminalbeamter |
 Anton EdthoferNot listed | Not listed |
 Gustav WaldauNot listed | Not listed |
| CCarl GüntherNot listed | Not listed |
| HHermann ErhardtNot listed | Not listed |
 Karl ParylaNot listed | Not listed |
| EErich ZiegelNot listed | Not listed |
| HHans ZieglerNot listed | Not listed |
 Fritz EckhardtNot listed | Not listed |
 Karl SkraupNot listed | Not listed |