Dan Castellaneta

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

Marge Simpson / Selma Bouvier / Patty Bouvier (voice)

Nancy Cartwright

Bart Simpson / Maggie Simpson / Ralph / Nelson / Todd Flanders / TV Daughter / Woman on Phone (voice)

Yeardley Smith

Lisa Simpson (voice)

Hank Azaria

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

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

Milhouse Van Houten / Jimbo Jones / Rod Flanders (voice)

Tress MacNeille

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

Russ Cargill (voice)

Karl Wiedergott

Man / EPA Driver (voice)

Marcia Wallace

Edna Krabappel (voice)

Russi Taylor

Martin Prince (voice)

Maggie Roswell

Helen Lovejoy (voice)

Phil Rosenthal

TV Dad (voice)

Billie Joe Armstrong

Billie Joe Armstrong (voice)

Mike Dirnt

Mike Dirnt (voice)

Tré Cool

Tre Cool (voice)

Joe Mantegna

Fat Tony (voice)

Tom Hanks

Tom Hanks (voice)

David Silverman

Director

Matt Groening

Screenplay

James L. Brooks

Screenplay

Sam Simon

Screenplay

Al Jean

Screenplay

George Meyer

Screenplay

David Mirkin

Screenplay

Mike Reiss

Screenplay

Mike Scully

Screenplay

Matt Selman

Screenplay

Jon Vitti

Screenplay

James L. Brooks

Producer

Matt Groening

Producer

Al Jean

Producer

Richard Sakai

Producer

Mike Scully

Producer

Jay Kleckner

Producer

Peter Gave

Producer

Amanda Moshay

Producer

Felicia Nalivansky

Producer

Matt Orefice

Producer

Nikki Vanzo

Executive Producer

Hans Zimmer

Original Music Composer

John Carnochan

Editor

Dima Malanitchev

Art Direction

Chris Scarabosio

Sound Designer

Tom Myers

Sound Re-Recording Mixer

Ian Maxtone-Graham

Screenplay

Frans Vischer

Layout

Craig Sost

Co-Producer

Rick Moser

Compositors

Edwin Shortess

Compositors

Matthew Schofield

Assistant Director

Anthony DeRosa

Animation

John Pomeroy

Animation

Miae Kim

Compositors

Jeannine Berger

Post Production Supervisor

Richard Manginsay

Layout

Eric Koenig

Layout

Eddie Rosas

Layout

Manny DeGuzman

Layout

Colin Sittig

Compositors

Beth S. Morris

Compositors

Brendan Harris

Compositors

Darrin Drew

Compositors

Sun Jae Lee

Animation

Louie C. Jhocson

Compositors

Nate Lowe

Layout

Gary McCarver

Animation Director

Caroline Cruikshank

Animation

Silvia Pompei

Animation

Dennis Bonnell

Compositors

Juan 'Jo' Luna

Layout

Jay Jackson

Layout

Bingo Ferguson

Compositors

J.C. Wegman

Layout

Jeff Johnson

Layout

Doug Tiano

Compositors

Rufino Camacho

Layout

Ivaylo Anguelov

Layout

Jennifer Moeller

Layout

Andre Medina

Layout

Roberto Casale

Layout

Claudia Katz

Producer

Gwendolyn Yates Whittle

Supervising Sound Editor

Daniel Pinder

Supervising Music Editor

Roger Injarusorn

Editorial Services

Randy Thom

Sound Designer

Josh Gold

Assistant Sound Editor

Mac Smith

Assistant Sound Editor

John Swartzwelder

Screenplay