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Carl Raddatz as Prof. Ernst Abbe |
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Werner Hinz as Carl Zeiss |
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Viktoria von Ballasko as Frau Löber |
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Paul Dahlke as Meister Löber |
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Heinz Engelmann as Dr. Otto Schott |
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Winnie Markus as Elise Abbe |
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Willi Rose as August Bebel |
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Margit Saad as Adelheid von Eichel |
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Dietmar Schönherr as Dr. Roderich Zeiss |
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Siegfried Schürenberg as Cullamton-Bubble |
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Camilla Spira as Ottilie Zeiss |
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Hans Paetsch as Der Großherzog |
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Helmut Peine as Professor Binswanger |
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Erich Ponto as Professor Virchow |
| Directing | Wolfgang Schleif | Director |
