Celestine is a little mouse trying to avoid a dental career while Ernest is a big bear craving an artistic outlet. When Celestine meets Ernest, they overcome their natural enmity by forging a life of crime together.

Anne-Marie Loopas La Grise (voice)
Lambert Wilsonas Ernest (voice)
Pauline Brunneras Célestine (voice)
Patrice Melennecas Georges (voice)
Brigitte Virtudesas Lucienne (voice)
Dominique Maurinas Chef de Clinique (voice)
Féodor Atkineas Juge Grizzly (voice)
Vincent Grassas Chef de la police des Ours (voice)
Patrice Dozieras Chef de la police des Rats (voice)