She acted in the productions "Der Edelweisskönig" (1939) and "Feinde" (1940) before she dedicated to the theater again.
After World War II followed few more cinematical appearances, among them "Wake Me When the War Is Over" (1969) and an episode of the serial "The F.B.I.: The Target" (1970).
She began her career at the theater, later she also worked for the radio.
The actress Katharine Berger first worked as a shop assistant before she became successful as a soubrette and actress.