Dan Castellaneta

Mr. Ramish

Zoo Keeper

Milt

Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)

Joe Spencer

Patrick Senior

Jenna / Judge Markway

Officer Novarro

Frank Whitaker

Homer Simpson (voice) / Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)

Dr. Kinny

Dr. Stein

Robot Devil (voice)

Derry Murbles

Agent Armstrong

Kaznian Astronaut / Socialite / Photographer (voice) / Minister / Guard (voice)

Judge Needum Taylor

Guard (voice) / Kobra Commando (voice)

Goon (voice) / Mr. Geminini (voice) / Private Cleoutus Dobbs / Baxter (voice)

Ray Winters

Scarface (voice) / Wesker / Scarface (voice)

Steve Michaels

Dr. Milton Hastings

(voice)

Professor (uncredited)

Mr. Jumba (voice)

Homer Simpson (voice)

Animal Control Officer (voice) / Announcer (voice; uncredited) / Big Arnold (voice) / Bus Driver (voice) / Bus Driver / Grandpa's Grandfather (voice) / Buyer (voice) / Conductor (voice) / Delivery Man (voice) / Doctor Steiglitz / Grubby (voice) / Dr. Steiglitz (voice) / Earl (voice) / Engineer (voice) / Grandpa Phil (voice) / Grandpa Phil / Chicken Man (voice) / Grandpa Phil / Cop #1 (voice) / Grandpa Phil / Grandpa Phil's Father / Jolly Olly Man (voice) / Grandpa Phil / Judge (voice) / Grandpa Phil / Nick Vermicelli (voice) / Grandpa Phil / Nolo (voice) / Grandpa Phil / Reporter (voice) / Grandpa Phil's Father (voice) / Guard / Canned Speech (voice) / Ice Kentucky (voice) / Jolly Olly Man (voice) / Jolly Olly Man / Baseball Announcer (voice) / Jolly Olly Man / Fireman (voice) / Mover (voice) / Nick Vermicelli (voice) / Peter (voice) / Referee (voice) / Rico (voice)

Peter Oliver

Bryan

Brad

Zabar (voice)

Mr. Horner / Franklin the Frog (voice)

Genie (voice)

Dracula (voice)

Dr. Harvat

Emmett Brown (voice)

Lazaar (voice)

Dr. Zibaldo (voice) / Prince Wudolph (voice)

Dr. McNally

Megavolt (voice)

Mr. Thickly (voice)

Dr. Harvey (voice)

David Champion / Homer Simpson

Additional Voice Talent (voice) / Boney / Bureauocrates (voice) / Bureauocrates (voice) / Homer (voice) / Homer / Nectar guy (voice) / Ticket salesman (voice)

Stewart (voice)

Dave Bishop (voice) / Mr. Bishop (voice)

Walt

Earthworm Jim / Grim Reaper / Turns-His-Eyes-Inside-Out Boy / Evil Jim / Abraham Lincoln / Japius / Stock Broker

Self

Sven Jorgensen

Boris (voice) / Captain Howdy (voice) / Coluans (voice)

Dunkirque (voice)

Stan

Alan Frakesh

Mr. Kenny

Homer Simpson / Itchy / Barney / Abe Simpson / Stage Manager / K

Male Fan

Carlson

Genie (voice)

Additional Voices (voice)

Thing One / Thing Two (voice)

Man in Chair

Homer Simpson / Barney Gumble (voice)

Narrator (voice

The Robot Devil (voice)

Mr. Mysterio / Woodenleg Wally (voice)

Homer Simpson (voice)

Auctioneer / Horse Trader (voice) (uncredited)

Maitre D'

Homer Simpson (voice)

Guard #1 (voice)

Homer Simpson / Barney Gumble (voice)

Tall Customs Dog / Angel Dog #1 (voice)

Jim Orr

Grandpa (voice)

Grandpa 'Steely' Phil / Nick Vermicelli (voice)

Homer Simpson / Willie / Grampa Simpson/ Kodos/ Various (voice)

BoE Agent #2 (voice)

Priest (voice)

Iron Shoes / Priest (voice)

Homer Simpson

The Postman (voice)

Stretch (voice)

Comet / Blitzen (voice)

Homer Simpson (voice)

Bumpkin

Human Cannonball

George Agrande

De Mille

Homer Simpson, Barney Gumble, Grampa Simpson (voice)

Gary

Homer (voice)

Aaron Spelling

Homer Simpson

Homer Simpson (voice)

Professor Crank (voice)

Partlow

Brian

(9 épisodes)

(1 épisode)