Lea Michele as Dorothy (voice)

Dan Aykroyd as Scarecrow (voice)

Jim Belushi as The Cowardly Lion (voice)

Kelsey Grammer as The Tin Man (voice)

Tacey Adams as Aunt Em (voice)

Michael Krawic as Uncle Henry (voice)

Martin Short as The Appraiser / The Jester (voice)

Bernadette Peters as Glinda (voice)

Randi Soyland as You / Handmaiden / Additional Voices (voice)

Oliver Platt as Wiser the Owl (voice)

Hugh Dancy as Marshall Mallow (voice)

Brian Blessed as Judge Jawbreaker (voice)

Douglas Hodge as Fruit Stripped Lawyer (voice)

Debi Derryberry as Stenographer (voice)

Randy Crenshaw as China Guard / Kansas Sheriff (voice)

Randal Keith as First Minister / Winkie Suitor (voice)

Megan Hilty as China Princess / Queen Mouse (voice)

Richard Steven Horvitz as Munchkin Suitor (voice)

Tom Kenny as Munchkin Suitor (voice)

Pete Sepenuk as Papa Tree (voice)

Betsy Roth as Mama Tree (voice)

Patrick Stewart as Tugg (voice)

Bryan Adams as Beaver Foreman (voice)

Keith Anthony as Additional Voices (voice)

Jack Blessing as Additional Voices (voice)

David Boat as Additional Voices (voice)

Ranjani Brow as Additional Voices (voice)

William Calvert as Additional Voices (voice)

Crystal Carroll as Additional Voices (voice)

Hailey Carroll as Additional Voices (voice)

Megann Carroll as Additional Voices (voice)

Cam Clarke as Additional Voices (voice)

Brian T. Delaney as Additional Voices (voice)

Leonard Dozier as Additional Voices (voice)

Denise Faye as Additional Voices (voice)

Keith Ferguson as Additional Voices (voice)

Eddie Frierson as Additional Voices (voice)

Bridget Hoffman as Additional Voices (voice)

Wendy Hoffmann as Additional Voices (voice)

Ashley Lambert as Additional Voices (voice)

Scott Menville as Additional Voices (voice)

Alan Shearman as Additional Voices (voice)

Josh Stern as Additional Voices (voice)

Shane Sweet as Additional Voices (voice)

Filip Watermann as Additional Voices (voice)