Cornelia Froboess as Conny Bergmann

Peter Kraus as Peter Burg

Loni Heuser as Fräulein Säuberlich

Ernst Stankovski as Dr. Fellner

Rudolf Vogel as Generaldirektor Werneck

Peter Vogel as Harry Specht

Ralf Wolter as Pedell Haberstock

Gerd Vespermann as Sekretär Rechli

Willi Rose as Polizeiinspektor

Heinz Weiss as Turnlehrer Schmidt

Rex Gildo as Gerd Weidner

Rudolf Rhomberg as Alois Specht