Pepe Nietnagel and his fellow students of the Mommsen school come up with all kinds of ideas to get out of doing any actual school work. This includes simulating suicides, setting off the air-raid sirens and abusing the school director's new broadcasting system. They succeed in sending their teacher to a sanatorium and get a replacement that turns out to not be so bad after all.
Hansi Kraus
as Pepe Nietnagel
Uschi Glas
as Marion Nietnagel
Theo Lingen
as Oberstudiendirektor Dr. Gottlieb Taft
Gila von Weitershausen
as Helena Taft
Günther Schramm
as Studienrat Dr. Albert Kersten
Hannelore Elsner
as Geneviève Ponelle
Georg Thomalla
as Kurt Nietnagel
Rudolf Schündler
as Oberstudienrat Prof. Dr. Arthur Knörz
Hans Terofal
as Pedell Georg Bloch
Balduin Baas
as Studienrat Dr. Blaumeier
Ruth Stephan
as Dr. Pollhagen
Oliver Hassencamp
as Dr. Priehl
