Annie Bovaird

as Caillou (voice)

Merlee Shapiro

as Storyteller (voice)

Jennifer Seguin

as Mom (voice)

Pat Fry

as Dad (voice)

Brigid Tierney

as Clementine (voice)

Jesse Vinet

as Rosie / Elf Kid (voice)

Pauline Little

as Grandma / Elderly Woman (voice)

George Morris

as Grandpa (voice)

Jason Szwimmer

as Elf (voice)

Amanda Tilson

as Sarah (voice)

Vince Davis

as Leo (voice)

Dean Patrick Fleming

as Fireman Eric (voice)

Liz MacRae

as Leo's Mom (voice)

Walter Massey

as Santa (voice)

Jennifer Morehouse

as Firewoman Stacie / Elderly Woman (voice)

Terry Simpson

as Mailman (voice)

Amanda Strawn

as Teacher Loraine (voice)

Brian Wrench

as Jonah (voice)