Grey DeLisle as Dorothy (voice)

Joe Alaskey as The Wizard of Oz / Droopy / Butch (voice)

Michael Gough as The Scarecrow (voice)

Rob Paulsen as The Tin Man (voice)

Todd Stashwick as The Cowardly Lion (voice)

Frances Conroy as Auntie Em / Glinda (voice)

Laraine Newman as The Wicked Witch of the West / Miss Gulch (voice)

Stephen Root as Uncle Henry / Crows (voice)

Kath Soucie as Tuffy the Munchkin Mouse (voice)

Nikki Yanofsky as Dorothy (singing voice)

Billy West as Tom (voice; uncredited)