John Kassir

Buster Bunny (voice)

Tress MacNeille

Babs Bunny (voice)

Joe Alaskey

Plucky Duck (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)