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Heinz Rühmann as Dr. Johannes Pfeiffer/Hans Pfeiffer |
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Karin Himboldt as Eva Knauer |
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Hilde Sessak as Marion |
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Erich Ponto as Professor Crey, genannt Schnauz |
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Paul Henckels as Professor Bömmel |
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Hans Leibelt as Gymnasialdirektor Knauer, genannt Zeus |
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Lutz Götz as Oberlehrer Dr. Brett |
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Hans Richter as Rosen |
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Clemens Hasse as Rudi Knebel |
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Rudi Schippel as Streber Luck |
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Georg-Michael Wagner as Ackermann |
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Hedwig Wangel as Haushälterin bei Crey |
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Anneliese Würtz as Witwe Windscheidt |
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Margarete Schön as Frau Direktor Knauer |
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Max Gülstorff as Herr Oberschulrat |
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Egon Vogel as Musiklehrer Fridolin |
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Ewald Wenck as Kastellan Kliemke |
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Albert Florath as Mitglied der Bowlenrunde |
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Karl Etlinger as Mitglied der Bowlenrunde |
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Georg H. Schnell as Mitglied der Bowlenrunde |
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Georg Vogelsang as Mitglied der Bowlenrunde |
| Directing | Helmut Weiss | Director |
| Sound | Werner Bochmann | Original Music Composer |
| Camera | Ewald Daub | Director of Photography |
| Production | Heinz Rühmann | Producer |
| Writing | Heinrich Spoerl | Novel |
| Writing | Heinrich Spoerl | Screenplay |
| Editing | Helmuth Schönnenbeck | Editor |
