Cast 
Edit
- Bowser Junior as Caillou
- Toadette as Rosie
- Shelia as Doris
- Bowser as Boris
- Chompy as Gilbert
- Emily Coleman as Clementine
- Toad as Leo
- Patrick as Xavier
- Samantha as Sarah
- Joseph as Jason
- Cody as Jeffery
- Jeffy as Andre
- Mario's Grandpa as Grandpa
- Judy as Mrs. Martin
- Crystal/Britknee as Julie
- Atso as Billy
- Craig as Mr. Hinkle
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