Dan Castellaneta
character 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)
Julie Kavner
character Marge Simpson / Selma / Patty (voice)
Nancy Cartwright
character Bart Simpson / Maggie Simpson / Ralph / Nelson / Todd Flanders / TV Daughter / Woman on Phone (voice)
Yeardley Smith
character Lisa Simpson (voice)
Hank Azaria
character Professor Frink / Comic Book Guy / Moe / Chief Wiggum / Lou / Carl / Cletus / Bumblebee Man / Male EPA Worker / Dome Depot Announcer / Kissing Cop / Carnival Barker / Counter Man / Apu / Drederick Tatum / Sea Captain / EPA Passenger / Robot / Dr. Nick / Wise Guy (voice)
Harry Shearer
character Scratchy / Mr. Burns / Rev. Lovejoy / Ned Flanders / Lenny / Skull / President Arnold Schwarzenegger / Kent Brockman / Principal Skinner / Dr. Hibbert / Smithers / Toll Booth Man / Guard / Otto / Kang (voice)
Pamela Hayden
character Milhouse Van Houten / Jimbo Jones / Rod Flanders (voice)
Tress MacNeille
character Sweet Old Lady / Colin / Mrs. Skinner / Nelson's Mother / Pig / Cat Lady / Female EPA Worker / G.P.S. Woman / Cookie Kwan / Lindsey Naegle / TV Son / Medicine Woman / Girl on Phone (voice)
Albert Brooks
character Russ Cargill (voice)
Kelsey Grammer
character Sideshow Bob (voice)
Marcia Wallace
character Mrs. Krabappel (voice)
Joe Mantegna
character Fat Tony (voice)
Tom Hanks
character Himself (voice)
Billie Joe Armstrong
character Himself (voice)
Mike Dirnt
character Himself (voice)
Tre Cool
character Himself (voice)
Russi Taylor
character Martin (voice)
Karl Wiedergott
character Man / EPA Driver (voice)
Maggie Roswell
character Helen Lovejoy (voice)
Philip Rosenthal
character TV Dad (voice)
