When the mathematics teacher discovers a love letter from his daughter, family father Felix Schneider is suspected of having a secret lover.
Heinz Rühmann
Dr. Felix Schneider
Hans Moser
Professor Karl Stieglitz
Theo Lingen
Paul Fellmeier
Nadja Tiller
Olga Fellmeier
Annie Rosar
Lilli Schneiders Mutter
Gusti Wolf
Hilde
Chariklia Baxevanos
Hertha Nepalek
Hilde Berndt
Lilli Schneider
