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) 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 Jeny Cassady Muppet Performer Geoff Redknap Muppet Performer Dan Payne Weatherman C. Ernst Harth Earl Kelly Osbourne Post-Makeover Dorothy (uncredited) Edward Hibbert Stage Manager (uncredited)