John Kassir

as Buster Bunny (voice)

Tress MacNeille

as Babs Bunny (voice)

Joe Alaskey

as Plucky Duck (voice)

Don Messick

as Hamton J. Pig / TV Executive (voice)

Cree Summer

as Elmyra Duff / Dr. Frankenmyra / Uhura (voice)

Maurice LaMarche

as The Brain / Dizzy Devil / Dizzygor / Gossamer / Additional Voices (voice)

Gail Matthius

as Shirley the Loon (voice)

Kath Soucie

as Fifi La Fume / Little Sneezer (voice) (as Kath Souci)

Danny Cooksey

as Montana Max (voice)

Frank Welker

as Furrball / Gogo Dodo / Byron Basset / Calamity Coyote / Little Beeper / Gremlin / Additional Voices (voice)

Ron Perlman

as Mr. Scratch (voice)

Jim Cummings

as Paddy / Villager / Additional Voices (voice)

Jeff Bennett

as Shamus / Pumpkin Guy / The World's Biggest Tiny Toon Fan / Additional Voices (voice) (as Jeff Glen Bennett)

June Foray

as Witch Hazel (voice)