Anne-Marie Loop La Grise (voice) Lambert Wilson Ernest (voice) Pauline Brunner Célestine (voice) Patrice Melennec Georges (voice) Brigitte Virtudes Lucienne (voice) Dominique Maurin Chef de Clinique (voice) Féodor Atkine Juge Grizzly (voice) Vincent Grass Chef de la police des Ours (voice) Patrice Dozier Chef de la police des Rats (voice) Jacques Ciron Monsieur Rançonnet (voice) Pierre Baton Juge Rat (voice) Maxime Bailleul Additional Voices (voice) Adeline Chetail Additional Voices (voice) Michel Elias Additional Voices (voice) Nathalie Homs Additional Voices (voice) Emmanuel LeMire Additional Voices (voice) Perrette Pradier Head Nurse Mouse (voice)