Martin Short
The Cat in the Hat (voice) (147 eps)
Rob Tinkler
Fish, Thing One and Thing Two (voice) (147 eps)
Tracey Hoyt
Nick's mother, Sally's mother (voice) (147 eps)
Heather Bambrick
Giant panda Zhu Zhu (voice) (147 eps)
Annick Obonsawin
Reindeer Ralph (voice) (147 eps)
Angela Lewis
Beaver Betty (voice) (147 eps)
Jeffrey Tambor
Bettys friend (voice) (147 eps)
Jacob Ewanikuk
Nick (voice) (120 eps)
Alexa Torrington
Sally (voice) (120 eps)
DeAndray Hamilton
Nick (voice) (27 eps)
Halle Nunes
Sally (voice) (27 eps)