Cast[]
- The Cat In The Hat as Homer
- Horton the Elephant as Barney
- Joey (Sam-I-Am's Friend) as Principal Skinner
- Norval the Fish as Moe
- Sam-I-Am as Bart
- Mr. Brown as Grandpa Abe
- The Lorax as Mr. Smithers
- Fox In Socks as Lenny
- Mr. Knox as Carl
- Matthew Katroom as Chief Wiggum
- The Grinch as Mr. Burns
- Thing 1 as Rod Flanders
- Thing 2 as Todd Flanders
- Thidwick the Moose as Kent Brockman
- Jane Kangaroo as Edna Krabappel
- Sarah Hall-Small as Lisa
- Little Cat Fleep as Sideshow Mel
- North-Going Zax as Nelson
- South-Going Zax as Jimbo
- Terence McBird as Martin
- Little Cat A as Lou
- Little Cat B as Eddie
- Little Cat C as Reverend Lovejoy
- Little Cat Z as Wendell
- Grandpa Jacob as Hans Moleman
- The Two-Headed Slare as Donkey Kong & Diddy Kong (from Mario)
- Junior Kangaroo as Professor Frink
- Goober as Bumblebee Man
- Yertle the Turtle as Superintendent Chalmers
- Morton the Elephant Bird as Troy McClure
- Max (The Grinch's Dog) as Cletus
- Nick as John (from Homer's Phobia)
- Sally as Marge
- Sneetches as Schooners (from TUGS)
- Wickershams as Shrimpers (from TUGS)
- Vlad Vladikoff as Sideshow Bob
- King Derwin as Mario (from Mario)
- Alvin the Alien as Luigi Risotto
- The White-Tufted Floozle Bird as Janey Powell
- The Yapper-Nap as Johnny Tightlips