The Cat in the Hat is all set for a lovely picnic, but the evil Grinch changes his plans by inventing a contraption that captures noise and makes it sound ferocious. The Cat has to save the world from the clutches of the Grinch and the only way to do it is to reach Grinch's soft spot.
| Actor | Role |
|---|---|
 Mason AdamsThe Cat in the Hat / Narrator (voice) | The Cat in the Hat / Narrator (voice) |
 Bob HoltThe Grinch / Waiter / The Grinch's Mother (voice) | The Grinch / Waiter / The Grinch's Mother (voice) |
 Frank WelkerMax / Waiter / Additional voices (voice) | Max / Waiter / Additional voices (voice) |
| JJoe EichChef (voice) | Chef (voice) |