Don't fall in love at Lake Constance

Helge Roswaenge

As Fritz Niehusen - Kammersänger

Karl Beckersachs

As Sekretär von Niehusen

Hermann Speelmans

As Paul Rohr - Musiker

Maria Beling

As Friedel Schulze

Paul Henckels

As Professor Reisinger

Armin Münch

As Reklamechef

Oscar Sabo

As Direktor Wenneberg

Trude Haefelin

As Eva

Josef Reithofer

As