Rick Moranis
Max Schneider (voice)

Jackie Earle Haley
Gill Waterman (voice)

Frank Welker
Frankentyke / J.P. Ghastly III (voice)

Ricki Lake
Cleofatra (voice)

Kimmy Robertson
Duzer (voice)

Maurice LaMarche
Sid / Chef Sal Monella (voice)

Barry Gordon
Reggie Moonshroud (voice)

Roger Rose
Vinnie Stoker (voice)

Shari Belafonte
Blanche (voice)

Georgia Brown
Headmistress Crone (voice)

Brock Peters
Boneyard (voice)

Jonathan Winters
Coach Cadaver (voice)

Tim Curry
Mr. Tutner (voice)

Sandra Gould
Miss Webner (voice)

Eileen Brennan
Miss Dirge (voice)

William Woodson
Judge Killjoy (voice) / (voice)

Phil Hartman
Billy Headstone (voice)

Charlie Adler
(voice)

Susan Blu
(voice)

Pat Buttram
(voice)