- Aladar ( Dinosaur 2000 ) as the Grinch
- Deer Evans
- Maggie Pesky (The Buzz on Maggie) as Cindy Lou Who
- Donkey as Mayor Augustus May Who
- Grasshopper as an 8-year-old Augustus May Who
- Kron ( Dinosaur 2000 ) as Martha May Whovier
- Owl ( Winnie the Pooh ) as an 8-year-old Martha May Whovier.
- Flik ( Bugs Life ) as Lou Lou Who
- Flea as Betty Lou Who
- Zini ( Dinosaur 2000 ) as Max the Dog
- Neera ( Dinosaur 2000 ) as Whobris
- Tremors as an 8-year-old Whobris.
- Skunk as Clarnella Who
- Anna and Elsa ( Frozen ) as Drew Lou and Stu Lou Who
- Otter as Officer Wholihan
- Bear as surprised Who
- Meerkat as the Narrator
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