Pepe Nietnagel's father has a valuable stamp collection stolen in Amsterdam. Street musician Pit recovers it. To show his gratitude, Pit is invited to Baden Baden and enters the Mommsen Gymnasium. There, he joins Pepe in his pranks.
Hansi Kraus
Pepe Nietnagel
Heintje Simons
Pit van Dongen
Theo Lingen
Oberstudiendirektor Dr. Taft
Rudolf Schündler
Oberstudienrat Knörz
Ralf Wolter
Oberstudienrat Geis
Fritz Tillmann
Kurt Nietnagel
Heinz Reincke
Herr van Dongen
Hans Terofal
Pedell Georg Bloch
