Caillou

Violette Chauveau

Mousseline / Clémentine (voice)

Nathalie Coupal

Doris (voice)

Gilbert Lachance

Boris / Rexy / Gilbert (voice)

Johanne Garneau

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

Hugolin Chevrette

Nounours (voice)

Ellen David

Miss Martin (voice)

Jennifer Seguin

Mommy (voice)

Pauline Little

Grandma (voice)

Amanda Tilson

Sarah (voice)

Graeme Jokic

Leo (voice)

Sofie Holland

Clementine (voice)

Melissa Pirrera

Sarah (voice)

Camden Angelis

Jason / Jeffrey (voice)

Claudia-Laurie Corbeil

Caillou (voice)

Mario Desmarais

Grandfather (voice)

Annie Bovaird

Caillou (voice)

Pat Fry

Daddy (voice)

Jesse Vinet

Rosie (voice)

Merlee Shapiro

Narrator (voice)

George Morris

Grandpa (voice)

Bailey Stocker

Andre (voice)