Anny Ondra

as Welgunda Bock

Fritz Rasp

as Professor Bock

Lina Woiwode

as Frau Bock

Werner Fuetterer

as Jim Bock

Olga Limburg

as Jim Bocks Mutter

Ernst Arndt

as Professor Bierbrot

Carl Goetz

as Zirkusdirektor

Karl Forest

as Schulinspektor

Dorothy Poole

as Sängerin

Hugo Thimig