อัจฉริยะไร้สำเนียง

Michel Vuillermoz as Joseph Merlin Kyan Khojandi as Dupré Augustin Jacob as The Parisian Surgeon Frans Boyer as The Côte 113 Sergeant Alexis Barbosa as A Soldier Mathieu Naert as A Soldier Mélanie Thierry as Pauline Héloïse Balster as Louise Philippe Uchan as Labourdin André Marcon as The Police Officer Jacques Mateu as The Prefect Philippe Duquesne as The Station Officer Dan Cardoso as A Soldier Albert Dupontel as Albert Maillard Laurent Lafitte as Henri Pradelle Niels Arestrup as Marcel Péricourt Émilie Dequenne as Madeleine Péricourt Denis Podalydès as The Minister (voice) Axelle Simon as Mrs. Belmont Bing Yin as Chinese #1 François Girard as The Stretcher Bearer Nahuel Pérez Biscayart as Édouard Péricourt Carole Franck as Sister Hortense Gilles Gaston-Dreyfus as The Mayor Fred Epaud as The Catalog Deliverer Eloïse Genet as Cécile Xiaoxing Cheng as Chinese #2

Gurwal Coïc-Gallas Sound Editor Antoinette Boulat Casting Catherine Bozorgan Producer Christophe Pinel Editor Pierre Quefféléan Production Design Damien Lazzerini Sound Mixer Vincent Mathias Director of Photography Jean Minondo Sound Cyril Holtz Sound Mixer Mimi Lempicka Costume Design Albert Dupontel Director, Screenplay Christophe Julien Original Music Composer Frédérique Arguello Key Hair Stylist Pierre Lemaitre Screenplay, Novel