Gaston

Élodie Hiolle

Mademoiselle Jeanne (voice)

Acting

Michel de Warzee

Aimé De Mesmaeker (voice)

Acting

Laurent Pasquier

Joseph Boulier / Jeff / Bertrand Labevue / Le chat / La mouette / Les souris / Autres personnages secondaires (voice)

Acting

Patrice Dozier

Léon Prunelle (voice)

Acting

Frédéric Jannin

Monsieur Dupuis (voice)

Acting

Micha Lescot

Gaston Lagaffe (voice)

Acting

Bernard Alane

Yves Lebrac (voice)

Acting

Jérôme Pauwels

Jules-de-chez-Smith-en-face / Joseph Longtarin (voice)

Acting