Homer Simpson (voice)
Homer Simpson (voice)
Homer Simpson / Barney Gumble (voice)
Homer Simpson / Barney Gumble (voice)
Grandpa (voice)
Homer Simpson / Aristotle Amadopolis (voice)
Homer Simpson (voice)
Homer Simpson / Grampa Simpson (voice)
Aaron Spelling
Mr. Kenny
Homer Simpson (voice)
Dr. Seymour
The Robot Devil (voice)
Carlson
De Mille
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)
Dan the Bookie
Iron Shoes / Priest (voice)
Alan Frakesh
Stretch (voice)
Mr. Mysterio / Woodenleg Wally (voice)
Jim Orr
Genie (voice)
BoE Agent #2 (voice)
Thing One / Thing Two (voice)
Professor Crank (voice)
Human Cannonball
Grandpa 'Steely' Phil / Nick Vermicelli (voice)
Additional Voices (voice)
Milt Fields
Guard #1 (voice)
Priest (voice)
Auctioneer / Horse Trader (voice) (uncredited)
Homer Simpson / Abraham 'Grampa' Simpson (voice) (archive footage)
The Postman (voice)
Bumpkin
Partlow
Comet / Blitzen (voice)
Male Fan
Tall Customs Dog / Angel Dog #1 (voice)
Man Test Driving Car
Alan Winsdale
Phil
Slick Moeller
Genie (voice)
Gordon Johnson/Bryan Lynn
Homer Simpson
Narrator (voice
Homer Simpson (voice)
Animated Babysitter (voice)
George Agrande
Various Characters
Maitre D'
Diane's Teacher (uncredited)
Brian
