Heinz Rühmann as Dr. Hans Pfeiffer/ Erich Pfeiffer

Rudolf Platte as Tanzlehrer

Ellen Frank as Marion Eisenhut

Jakob Tiedtke as Rektor Knauer

Oskar Sima as Professor Crey

Inge Conradi as Ilse Bundschuh

Annemarie Sörensen as Eva Knauer

Else Bötticher as Frau Knauer

Erwin van Roy as Bürglein, Regisseur

Franz Weber as

Karl Platen as

Maria Seidler as

Walter Steinweg as

Anita Mey as