Dorothy
Wizard
Uncle Henry
Aunt Em
Self - Kermit's Director
Scarecrow / Mayor of Munchkinland / Kalidah Critic #1 / Beaker
Tin Thing / Kalidah Critic #2 / Dr. Bunsen Honeydew / Zoot
Toto / Dr. Teeth / Johnny / Lew Zealand / Swedish Chef / Rowlf
The Cowardly Lion / Witches / Animal / Sam the Eagle (voice)
Sal (voice)
Clifford / Mulch / Black Dog (voice)
Angel Marie / Floyd Pepper (voice)
Scooter / Crazy Harry (voice)
Janice / Old Tom / Pop / Treelo (voice)
Green Lady / Chicken (voice)
Sweetums (voice)
Muppet Performer
Crow / Old Tom (voice)
Camilla / Foo-Foo (voice)
Spotted Dick (voice)
Muppet Performer
Muppet Performer
Muppet Performer
Muppet Performer
Muppet Performer
Weatherman
Earl
Post-Makeover Dorothy (uncredited)
Stage Manager (uncredited)
Earl's Buddy (uncredited)