Joe Alaskey
Plucky Duck (voice)
Tress MacNeille
Babs Bunny (voice)
John Kassir
Buster Bunny (voice)
Don Messick
Hamton J. Pig / TV Executive (voice)
Cree Summer
Elmyra Duff / Dr. Frankenmyra / Uhura (voice)
Maurice LaMarche
The Brain / Dizzy Devil / Dizzygor / Gossamer / Additional Voices (voice)
Gail Matthius
Shirley the Loon (voice)
Kath Soucie
Fifi La Fume / Little Sneezer (voice) (as Kath Souci)
Danny Cooksey
Montana Max (voice)
Frank Welker
Furrball / Gogo Dodo / Byron Basset / Calamity Coyote / Little Beeper / Gremlin / Additional Voices (voice)
Ron Perlman
Mr. Scratch (voice)
Jim Cummings
Paddy / Villager / Additional Voices (voice)
Jeff Bennett
Shamus / Pumpkin Guy / The World's Biggest Tiny Toon Fan / Additional Voices (voice) (as Jeff Glen Bennett)
June Foray
Witch Hazel (voice)