Caillou (voice)

Mousseline / Clémentine (voice)

Doris (voice)

Boris / Rexy / Gilbert (voice)

Grandfather (voice)

Léo / André / Miss Martin / Jonathan / Sébastien (voice)

Nounours (voice)

Miss Martin (voice)

Caillou (voice)

Daddy (voice)

Mommy (voice)

Rosie (voice)

Narrator (voice)

Grandma (voice)

Grandpa (voice)

Clementine (voice)

Sarah (voice)

Sarah (voice)

Mr. Lajoie (voice)

Narrator (voice)