Cast
- Anny Ondra as Musette
- Julius Falkenstein as Nachbar
- Hans Junkermann as Mr. de Malcomte
- Eugen Rex as Meunier
- Hermann Picha as Prof. Voronoffsky
- Toni Tetzlaff as Frau Griche
- Paul Rehkopf as Herr Griche
- André Roanne as Joe Willings
- Teddy Bill as Gaston
- Anielka Elter as Helen