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Sacha Guitry as Louis Pasteur |
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Maurice Schutz as Grandfather |
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José Squinquel as Émile Roux |
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Jean Périer as Doctor |
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André Marnay as Doctor |
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Pierre Labry as Doctor |
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Armand Lurville as The first witness |
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Camille Cousin as The second witness |
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Henry Bonvallet as Sadi Carnot, President of the Republic |
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Gaston Dubosc as President of the Academy of Medicine |
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François Rodon as Little Joseph Meister |
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Louis Maurel as Jules Guérin |
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Louis Gauthier as Poggiale |
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Pierre Athon as Student |
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Pierre Huchet as Servant (uncredited) |
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Camille Beuve as Joseph Lister (uncredited) |
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Julien Bertheau as Student (uncredited) |
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Gaston Allain as Student (uncredited) |
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Félix Clément as Student (uncredited) |
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Jean Francey as Student (uncredited) |
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Pierre Monda as Little boy (uncredited) |
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Charles Vissières as Frémy, old doctor (uncredited) |
| Directing | Sacha Guitry | Director |
| Art | Robert Gys | Set Decoration |
| Writing | Sacha Guitry | Writer |
| Production | Fernand Rivers | Producer |
| Camera | Jean Bachelet | Director of Photography |
| Sound | Louis Beydts | Original Music Composer |
