Heinz Erhardt as Egon Kummer

Corny Collins as Henny Weber

Adrian Hoven as Dr. Kurt Wehling

Grethe Weiser as Mathilde Nathusius

Gunther Philipp as Dr. Waldemar Weber

Ruth Stephan as Anna

Hans Richter as Behnke

Rudolf Vogel as Theodor Nathusius

Carmela Künzel as Helga Lüders

Friedel Hensch as Sängerin

Peter Steffen as Sänger