Dan Castellaneta

Alan Frakesh

Mr. Kenny

Homer Simpson / Itchy / Barney / Abe Simpson / Stage Manager / Krusty the Clown / Mayor Quimby / Mayor's Aide / Multi-Eyed Squirrel / Panicky Man / Sideshow Mel / Mr. Teeny / EPA Official / Kissing Cop / Bear / Boy on Phone / NSA Worker / Officer / Santa's Little Helper / Squeaky-Voiced Teen (voice)

Male Fan

Thing One / Thing Two (voice)

Slick Moeller

Homer Simpson / Grampa Simpson (voice)

Auctioneer / Horse Trader (voice)

Izzy

Genie (voice)

Carlson

Narrator (voice)

Additional Voices (voice)

Homer Simpson (voice)

Homer Simpson / Barney Gumble (voice)

Diane's Teacher (uncredited)

Homer Simpson (voice) | Co-Executive Producer

Priest (voice)

Guard #1 (voice)

Mr. Mysterio / Woodenleg Wally (voice)

Grandpa (voice)

Man in Chair

Maitre D'

Animated Babysitter (voice)

Tall Customs Dog / Angel Dog #1 (voice)

Stretch (voice)

Grandpa 'Steely' Phil / Nick Vermicelli (voice)

Man Test Driving Car

Homer Simpson (voice)

The Robot Devil (voice)

BoE Agent #2 (voice)

Phil

Brian

Homer Simpson / Aristotle Amadopolis (voice)

De Mille

Partlow

Wild Bill Hickok / Clerk / Cheyenne #2 (voice)

Jim Orr

Bumpkin

The Postman (voice)

Homer Simpson

Aaron Spelling

Alan Winsdale

Grandpa Phil / Additional Voices (voice)

Dick

Homer Simpson (voice) (uncredited)

Homer Simpson (voice) (uncredited)

Homer Simpson / Abraham 'Grampa' Simpson (voice)

Genie (voice)

Iron Shoes / Priest (voice)

Human Cannonball

Voodoo Man (voice)

Aaron Spelling

Sam

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Neal

George Agrande

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Homer Simpson (voice)

Homer Simpson / Grampa Simpson (voice)

Homer Simpson (voice)

Grandpa Phil (voice)

Count Dracula (voice)

Gary

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

Homer (voice)

Self

Dan the Bookie

Nicholas LaPorte (voice)

Professor Crank (voice)

Self

Grandpa (voice)

Milt Fields

Gordon Johnson/Bryan Lynn

Various Characters

Comet / Blitzen (voice)

Dr. Seymour

Megavolt (voice)

Salesman

Megavolt (voice)

Director

Homer Simpson (voice)

Homer Simpson (voice)

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

Judge Markway

Officer Novarro

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Milt

Joe Spencer

Zoo Keeper

Frank Whitaker

Jeff Bicks

Self - Guest

Bryan

Brad

Mr. Thickly (voice)

Robot Devil (voice)

Tiny Werner

Mr. Ramish

Rory O'Grady

Patrick Senior

Agent Armstrong

Pete

Dr. Harvey (voice) | Writer

Dracula (voice)

Derry Murbles

Stan

Dr. McNally

Grandpa Phil (voice)

Officer McBride / Police Officer (voice)

Steve Michaels

Gus the Doorman

Mr. Geminini (voice)

Dr. Stein

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Genie (voice)

Prince Wudolph (voice)

Dr. Kinny

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Jeffries (voice)

Marty

Commissioner Jerry Salerno

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David Champion / Homer Simpson

Voodoo Man / Muck Luck (voice)

Lazaar (voice)

Megavolt (voice)

Wesker / Scarface (voice)

Guard (voice)

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Zabar (voice)

Dr. Harvat

Earl / Janitor #2 (voice)

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Walt

Mr. Jumba (voice)

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Mittens (voice)

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Boris / Captain Howdy / Coluans (voice)

Peter Oliver

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Dave Bishop (voice)

Ray Winters

Duke Yipkowski (voice)

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Minister / Guard (voice)

Stewart (voice)

Dunkirque (voice)

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George Wexler

AP-99 (voice)

Dr. Milton Hastings

Homer Simpson (voice)

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Darian Ferguson

Sven Jorgensen

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

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Jonathan / Phone Caller / Sailing Instructor (voice)

Ted Boseman

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Agent

Homer Simpson (voice)

Needum Taylor

Emmett Brown (voice)

Morty / Bank Manager

Self

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Mr. Horner / Franklin the Frog (voice)

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