Cast:
- The Lorax - Mr. Potato Head (Toy Story)
- Ted - Lightning McQueen (Cars)
- Audrey - Sally (Cars)
- Young The Once-ler - Mr. Turner (The Fairly OddParents)
- Old The Once-ler - The Aviator (The Little Prince)
- Aloysius O'Hare - Chick Hicks (Cars)
- Mrs. Wiggins - Cruz Ramirez (Cars 3)
- Granny Norma - Lizzie (Cars)
- The Once-ler's Mother - Beatrice Le Beak (Jake and the Neverland Pirates)
- The Once-ler's Father - Hans (Frozen)
- The Once-ler's Aunt - Piella Bakewell (Wallace & Gromit)
- The Once-ler's Brothers - The Fenner Brothers (The Princess and the Frog)
- O'Hare's Bodyguards - Brutish and Oafish Guards (The Hunchback of Notre Dame)
- Sai the Delivery Guy - President Hathaway (Monsters vs. Aliens)
- Melvin - Pegasus (Hercules)
- Bar-ba-loots -
- Pipsqueak as Himself
- Humming-fish - Fish (Shark Tale)
- Swomee-swans - Birds (Rio)
- Thneed-ville Citizens - Various Cars