La Grise (voice)
Anne-Marie Loop
Ernest (voice)
Lambert Wilson
Monsieur Rançonnet (voice)
Jacques Ciron
Célestine (enfant) (voice)
Garance Pauwels
Juge Rat (voice)
Pierre Baton
Martin (voice)
Ethan Louis Samuels DiSalvio
Various Characters (voice)
Spike Spencer
Additional Voices (voice)
Hunter Maki
Maxime Bailleul
Kémil Belhadj
Yanis Belhadj
José António Barbosa de Oiveira
Célestine (voice)
Pauline Brunner
Swann Bey
Simon Brunner
Samuel Cahu
Adeline Chetail
Thierry d'Armor
Michel Elias
Jennifer Fauveau
Ambre Foubert
Nathalie Homs
Warren Homs
Georges (voice)
Patrice Melennec
Pascale Jacquemont
Gwenaelle Jegou
Sofiane Larcher-Guessoum
Emmanuel LeMire
Ornella Louf
Head Nurse Mouse (voice)
Perrette Pradier
Avocat d'Ernest (voice)
Yann Le Madic
Lucienne (voice)
Brigitte Virtudes
Léon (voice)
Léonard Louf
Chef de Clinique (voice)
Dominique Maurin
Juge Grizzly (voice)
Féodor Atkine
Chef de la police des Ours (voice)
Vincent Grass
Chef de la police des Rats (voice)
Patrice Dozier
Director
Benjamin Renner
Animation
Julien Chheng
Songs
Thomas Fersen
Animation Director
Patrick Imbert
Producer
Stéphan Roelants
Production Supervisor
Stephanie Sheh
Casting
Adaptation
Stéphane Aubier
Vincent Patar
Screenplay
Daniel Pennac
Recording Supervision
Bruno Seznec
Sound Re-Recording Mixer
Emmanuel de Boissieu
Henri Magalon
Vincent Tavier
Didier Brunner
Original Music Composer
Vincent Courtois
Production Design
Zyk
Novel
Gabrielle Vincent
Zaza
Software Engineer
Michel Hick
Key Animation
Michael Crouzat
Sound Effects Editor
Bertrand Boudaud
Pierre Aretino
Layout
Virgile Bage
Publicist
Joshua Jason
Supervising Sound Editor
Fred Demolder
Co-Producer
Ned Lott
Davy Durant
Visual Effects Supervisor
Marc Umé
Storyboard Designer
Tomislav Findrik
Sébastien Rouxel
Painter
Marie Maulet
Dialogue Editor
Valérie Le Docte
Sound Recordist
Thibaut Vandermeerch
Sound Editor
Renaud Guillaumin
Digital Compositors
Eric Dupont
Thomas Charra
Mathieu Chaptel
Kherveen Dabyllal
Musician
Anaпs Moreau
Gaelle Thierry
Catherine Maubourguet
Production Manager
Thibaut Ruby
Julien Perron
Carval Ollivier
Louis Sclavis
Music Supervisor
Emmanuel Delétang
Foley
Luc Thomas
Post-Production Manager
Thomas Averland
Franco Piscopo
Editor
Fabienne Alvarez-Giro
Christine Seznec
Supervising Technical Director
Rip Hampton O'Neil
Stéphanie Haulet
Nicolas Thys
ADR Mixer
Raphaël Seydoux