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Louis Jouvet as Docteur Knock |
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Jean Brochard as Docteur Parpalaid |
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Pierre Renoir as Le pharmacien Mousquet |
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Pierre Bertin as L'instituteur Bernard |
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Marguerite Pierry as Mme Pons, la dame en violet |
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Jean Carmet as Le premier gars |
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Yves Deniaud as Le tambour de ville |
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Mireille Perrey as Mme Rémy |
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Jane Marken as Mme Parpalaid |
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Geneviève Morel as La dame en noir « ça vous gratouille ou ça vous chatouille ? » |
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Bernadette Lange as Mariette |
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André Dalibert as Le deuxième gars |
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Pierre Duncan as Le livreur |
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Paul Faivre as Le maire Michalon |
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Jean Sylvain as Un chauffeur |
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Louis de Funès as Le malade qui a perdu 100 grammes (uncredited) |
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Madeleine Barbulée as Une infirmière (uncredited) |
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Jean Berton as Le chef de gare (uncredited) |
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Marius David as (uncredited) |
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Jacques Monod as M. Albos, le premier trombone (uncredited) |
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Claire Olivier as Mme Mousquet (uncredited) |
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Tao Porchon as (uncredited) |
| Directing | Guy Lefranc | Director |
| Writing | Jules Romains | Writer |
| Writing | Jules Romains | Adaptation |
| Writing | Georges Neveux | Adaptation |
| Writing | Jules Romains | Dialogue |
| Art | Louis Jouvet | Art Direction |
| Camera | Claude Renoir | Director of Photography |
| Camera | Gilbert Chain | Camera Operator |
| Art | Robert Clavel | Set Designer |
| Art | Jacques Douy | Assistant Decorator |
| Directing | Maurice Delbez | Assistant Director |
| Directing | Michel Mombailly | Second Assistant Director |
| Crew | Nicole Bénard | Script |
| Production | Jean Mottet | General Manager |
| Costume & Make-Up | Serge Gleboff | Makeup Artist |
| Costume & Make-Up | Claudette Coulant | Makeup Artist |
| Camera | Roger Corbeau | Still Photographer |
| Camera | Roger Tellier | Assistant Camera |
| Camera | Andréas Winding | Assistant Camera |
| Editing | Louisette Hautecœur | Editor |
| Editing | Denise Natot | Assistant Editor |
| Sound | Paul Misraki | Original Music Composer |
| Sound | Jean Rieul | Sound Engineer |
| Production | Léon Canel | Production Director |
