Main Characters:
* Dorothy Gale: The young girl from Kansas who is swept away to Oz by a tornado.
* The Scarecrow: A straw-filled scarecrow who desires a brain.
* The Tin Man: A man made of tin who desires a heart.
* The Cowardly Lion: A lion who desires courage.
* The Wizard of Oz: A mysterious and powerful figure who lives in the Emerald City and claims to be able to grant their wishes.
Supporting Characters:
* Glinda the Good Witch of the North: A kind and powerful witch who helps Dorothy on her journey.
* The Wicked Witch of the West: A cruel and evil witch who wants to capture Dorothy and the magical ruby slippers.
* The Munchkins: Small, friendly people who live in the Munchkin Country.
* The Winged Monkeys: Monkeys with wings who serve the Wicked Witch of the West.
* The Flying Monkeys: Monkeys with wings who serve the Wizard of Oz.
* Professor Marvel: A traveling showman who resembles the Wizard of Oz.
* Hunk, Hickory, and Zeke: Dorothy's three friends who help her in Kansas.
Note: The Wizard of Oz has a large supporting cast, but these are some of the most notable and important characters in the story.