Runt as Caillou

Brent as Leo

Kate and Humphrey as Caillou's Mommy and Daddy

Claudette (with extra Stinky) as Rossie

Marcel and Paddy as Jason and Jeffery

Winston and Eve as Caillou's Grandparents

Tony as Mr. Hinkle

Fleet as Billy

                                Not Sure what the other cast will be.

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