Ashanti

Dorothy

Jeffrey Tambor

Wizard

David Alan Grier

Uncle Henry

Queen Latifah

Aunt Em

Quentin Tarantino

Self - Kermit's Director

Steve Whitmire

Scarecrow / Mayor of Munchkinland / Kalidah Critic #1 / Beaker

Dave Goelz

Tin Thing / Kalidah Critic #2 / Dr. Bunsen Honeydew / Zoot

Bill Barretta

Toto / Dr. Teeth / Johnny / Lew Zealand / Swedish Chef / Rowlf

Eric Jacobson

The Cowardly Lion / Witches / Animal / Sam the Eagle (voice)

Brian Henson

Sal (voice)

Kevin Clash

Clifford / Mulch / Black Dog (voice)

John E. Kennedy

Angel Marie / Floyd Pepper (voice)

Rickey Boyd

Scooter / Crazy Harry (voice)

Tyler Bunch

Janice / Old Tom / Pop / Treelo (voice)

Julianne Buescher

Green Lady / Chicken (voice)

John Henson

Sweetums (voice)

Drew Massey

Muppet Performer

Allan Trautman

Crow / Old Tom (voice)

Alice Dinnean

Camilla / Foo-Foo (voice)

Mike Quinn

Spotted Dick (voice)

Gord Robertson

Muppet Performer

Adam Behr

Muppet Performer

Jeny Cassady

Muppet Performer

Geoff Redknap

Muppet Performer

James Rowley

Muppet Performer

Dan Payne

Weatherman

C. Ernst Harth

Earl

Kelly Osbourne

Post-Makeover Dorothy (uncredited)

Edward Hibbert

Stage Manager (uncredited)

Ken Jones

Earl's Buddy (uncredited)