Cast
- Käthe Dorsch as Marie Müller
- Anne-Marie Blanc as Betty Langen, die Tochter
- Hans Holt as Franz
- Curd Jürgens as Dr. Kurt Walla
- Gustav Waldau as Großvater
- Hugo Gottschlich as Bumbalek
- Alfred Neugebauer as Direktor der Musikhochschule
- Helene Lauterböck as Frau Prof. Langen
- Benno Smytt as Prof. Langen
- Theodor Grieg as Fries