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)