The Cat in the Hat (voice)
Sally (voice)
Nick (voice)
Fish / Thing 1 / Thing 2 / Secondary Characters (voice)
(voice)
Sally's Mom / Nick's Mom (voice)
Ralph's Dad (voice)
Ralph (voice)
Sally's Mum (UK) / Nick's Mum (UK) (voice)
Sally (UK) (voice)
Ralph (UK) (voice)
The Cat in the Hat (UK) (voice)
Ralph's Dad (UK) (voice)
Nick (UK) (voice)