Cast[]
- Tuck as Arthur
- Linny as D.W.
- Kitten as Baby Kate
- Mommy Kitten as Arthur's Mom
- Daddy Kitten as Arthur's Dad
- Puppy as Pal
- Ming-Ming as Francine
- Ollie as Buster
- Tasha (from The Backyardigans) as Muffy
- Pablo (from The Backyardigans) as The Brain
- Tyrone (from The Backyardigans) as Binky
- Uniqua (from The Backyardigans) as Sue Ellen
- Austin (from The Backyardigans) as George
- Big Bad Wolf as Rattles
- Daddy Dinosaur as Mr. Ratburn
- Daddy Elephant as Ed Crosswire
- Buck as Bud Compson
- Mouse as Perky
- Panda as Prunella
- Skunk as Fern