Mommsen Gymnasium director Taft secretly places his nephew as a spy with the difficult class of Pepe Nietnagel. During the celebration for the 100th anniversary, a simulated fire forces the school to shut down for a week. The director's attempt to get a tough teacher assigned by the department of education results in the exact opposite because of Nietnagel's intervention.
Hansi Kraus
Pepe Nietnagel
Uschi Glas
Marion Nietnagel
Hannelore Elsner
Geneviève Ponelle
Theo Lingen
Oberstudiendirektor Dr. Gottlieb Taft
Gustav Knuth
Kurt Nietnagel
Hans Clarin
Dr. Glücklich
Ruth Stephan
Studienrätin Dr. Mathilde Pollhagen
Rudolf Schündler
Oberstudienrat Dr. Arthur Knörz
