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Théo Fernandez as Gaston Lagaffe |
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Pierre-François Martin-Laval as Prunelle |
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Arnaud Ducret as Longtarin |
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Jérôme Commandeur as M. de Mesmaeker |
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Alison Wheeler as Mademoiselle Jeanne |
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Franc Bruneau as Lebrac |
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Christophe Canard as Boulier |
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Sébastien Chassagne as Raoul |
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Maka Sidibe as Jeff |
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Charlotte Gabris as Sonia |
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Jimmy Labeeu as Jules de chez Smith en face |
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Estéban as Bertrand Labévue |
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Silvie Laguna as Mademoiselle Kiglouss |
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Léon Plazol as Édern |
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Anne Benoît as Le médecin |
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Nicky Naudé as Pilote hélico gendarmerie |
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Stéphane De Groodt as PDG (voice) |
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Isabelle Nanty as Voix du hall (voice) |
| Writing | André Franquin | Characters |
| Crew | André Franquin | Creator |
| Writing | André Franquin | Comic Book |
| Visual Effects | Juan Couto | Animation |
| Directing | Pierre-François Martin-Laval | Director |
| Writing | Pierre-François Martin-Laval | Writer |
| Writing | Mathias Gavarry | Writer |
| Camera | Régis Blondeau | Director of Photography |
| Production | Romain Rojtman | Producer |
| Editing | Thibaut Damade | Editor |
| Sound | Christian Lundberg | Music |
| Art | Franck Schwarz | Production Design |
| Lighting | Yvan Quehec | Gaffer |
