Directed by
| August Kern | ||
Writing Credits (in alphabetical order)
| Virgilio Gilardoni | ||
| August Kern | ||
| Fredy Lucca | ... | (idea) (as Fred Lucca) |
Cast (in credits order)
 |
Jean Fleury | ... | Jean Perrin - Optimist |
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Willy Roettges | ... | Max Witzig - Optimist (as Wil Roettges) |
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Ettore Cella | ... | Carlo Corda - Optimist |
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Fredy Lucca | ... | Emil Dietschi - Optimist |
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Lilian Hermann | ... | Celestina |
| Rest of cast listed alphabetically: | |||
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Fritz Bantli | ... | Cesare Corda |
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Betty Klein | ||
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André Mondini | ... | Don Andrea - der Pfarrer |
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Edoardo Oberisoli | ... | (as Plix Oberisoli) |
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Ulisse Zannini | ||
Produced by
| August Kern | ... | producer |
Music by
| Jack Trommer | ||
Cinematography by
| Ady Lumpert | ||
| Hans Rudolf Meyer-Salborn | ... | (as Hans Rudolf Mayer) |
Editing by
| August Kern | ||
Production Design by
| Herbert Kohlund | ||
| Aldo Piazzoli | ||
Production Management
| Richard C. Schmidt | ... | production manager |
Second Unit Director or Assistant Director
| Rudolf Bébié | ... | assistant director |
| Virgilio Gilardoni | ... | assistant director |
| Robert Trösch | ... | assistant director (uncredited) |
Sound Department
| Bruno Müller | ... | sound |
| Fritz Obitsch | ... | sound |
Camera and Electrical Department
| A. Böhninger | ... | assistant camera |
Music Department
| Dolf Zinsstag | ... | conductor (as Dolf Zinnstag) |