The Scarecrow as SpongeBob SquarePants
The Tin Man as Patrick Star
The Cowardly Lion as Squidward Tentacles
Dorothy Gale as Sandy Cheeks
The Wizard as Mr. Krabs
Toto as Gary the Snail
Glinda the Good Witch of the North as Pearl Krabs
Uncle Henry as Sheldon J. Plankton
The Wicked Witch of the West as Karen Plankton
Auntie Em as The Subliminal Message Girl
Hunk as Frankie Billy
Hickory as Barnacle Boy
Zeke as Mermaid Man
The Wicked Witch of the East as Mrs. Puff
Miss Elmira Almira Gulch as Karen-2
Professor Marvel as King Neptune