• Jimmy Neutron as The Cat in the Hat
  • Carl Wheezer as Sam-I-Am
  • Sheen Estevez as Norval the Fish
  • Cindy as Sarah Hall-Small
  • Libby as Cindy Lou Who
  • Bolbi as Young Cat in the Hat
  • Goddard as Little Cat Fleep
  • Nick as The Lorax
  • Tee as The Birthday Bird
  • Zixs as Mr. Knox
  • Travaltron as Fox in Socks
  • King Goobot as Vlad Vladikoff
  • Ooblar as The Grinch
  • Beautiful Gorgeous as Jane Kangaroo
  • Grandma Taters as Pam-I-Am
  • Jimmy's Dad as Mack the Turtle
  • Jimmy's Mom as The White-Tufted Floozle Bird
  • Sheen's Dad as Joey
  • Sheen's Mom as Aunt Myrtle
  • Carl's Dad as Horton the Elephant
  • and more

See also

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