Screenplay by James L. Brooks, Matt Groening, Al Jean, Ian Maxtone-Graham, George Meyer, David Mirkin, Mike Reiss, Mike Scully, Matt Selman, John Swartzwelder, Jon Vitti screenplay

Cast (in credits order)
Dan Castellaneta ... Homer Simpson/Krusty the Clown (voice)
Julie Kavner ... Marge Simpson (voice)
Nancy Cartwright ... Bart Simpson (voice)
Yeardley Smith ... Lisa Simpson (voice)
Hank Azaria ... Moe Szyslak/Apu Nahasapeemapetilon/The Sea Captain (voice)
Harry Shearer ... Seymour Skinner/Lenny Leonard/Dr. Hibbert/Ned Flanders (voice)
Billie Joe Armstrong ... Himself (voice)
Erin Brockovich-Ellis ... Herself (voice)
Albert Brooks ... (voice)
Tre Cool ... Himself (voice)
Mike Dirnt ... Himself (voice)
Minnie Driver ... (voice)
Maile Flanagan ... Colin
Kelsey Grammer ... Sideshow Bob (voice)
Pamela Hayden ... Milhouse Van Houten/Jimbo Jones/Rod Flanders (voice)
Tress MacNeille ... (voice)
Joe Mantegna ... Fat Tony (voice)
Maggie Roswell ... (voice)
Russi Taylor ... (voice)
Marcia Wallace ... Edna Krabappel (voice)
Frank Welker ... Santa's Little Helper (voice)
Karl Wiedergott ... Various (voice)

Produced by
James L. Brooks .... executive producer
Katherine C. Concepcion .... associate producer
Matt Groening .... executive producer
Al Jean .... executive producer
Matt Orefice .... associate producer
Richard Sakai .... producer
Mike Scully .... producer
Craig Sost .... producer

Original Music by Hans Zimmer
Art Direction by Dima Malanitchev

Production Management
Julie Peng .... production supervisor: Film Roman
Penelope Parr Thornton .... production supervisor: Film Roman

Art Department
Brad Ableson .... storyboard artist
Debra Armstrong .... key assistant
Dominique Blaskovich .... digital background painter
Ty Elliott .... effects animator
Mike Inman .... visual development artist
Phillip Vigil .... effects animator

Sound Department
Kevin Bailey .... assistant sound editor
James Bolt .... sound re-recording mixer
Derek Casari .... adr engineer
Derek Casari .... sound engineer
Blake R. Cornett .... sound recordist
Luke Dunn Gielmuda .... sound effects editor
Sean England .... foley mixer
Sean England .... foley recordist
Will Files .... assistant sound designer
Kevin Globerman .... digital score recordist
Josh Gold .... assistant sound effects editor
Craig Heath .... sound recordist (as Craig 'Pup' Heath)
Michael Jay .... additional music editor
Stephanie Lowry .... additional music editor
Stuart McCowan .... sound effects editor
Al Nelson .... sound effects editor
Daniel Pinder .... music editor
Ryan Rubin .... music editor
Christopher Scarabosio .... sound designer
Mac Smith .... assistant sound effects editor
Erich Stratmann .... additional music editor
Randy Thom .... sound designer
Mark Jan Wlodarkiewicz .... additional music editor
Gwendolyn Yates Whittle .... supervising sound editor
Greg Zimmerman .... adr recordist

Visual Effects by
Stuart Allan .... CG artist
Scott Ballard .... character technical director
Dennis Bonnell .... digital scene planner
Kevin Carney .... digital artist
Ruben Chavez .... digital background painter
Anthony Davis .... digital compositor: Technicolor Digital Services
Peter Gend .... lead CGI artist: Forum
Julia Kalantarova .... digital background painter
Don W. Kim .... CGI artist
Bike Kinzle .... digital background painter
Alisa Loren Klein .... digital artist
Ashby Manson .... digital background painter
Beth S. Morris .... technical director
Rick Moser .... digital scene planner
Mark Orme .... CGI artist: RoughDraft
Dave Scarpitti .... digital compositor
Dave Scarpitti .... digital scene planner
Chris Stover .... CGI artist
Carol VanHook .... visual effects
Grant Viklund .... CGI lead
Andrea Yomtob .... CGI artist
Alex Zabolotsky .... digital background painter

Animation Department
Ivaylo Anguelov .... animator
Moon Choi .... animator
Rick Farmiloe .... animator
Mike Swofford .... animator

Casting Department
Daniel Hubbard .... casting: UK

Editorial Department
Abe Forman-Greenwald .... assistant editor
Jim Passon .... color timer
Chris Regan .... color timer
Alexander Wu .... editing coordinator
Everette Webber .... digital intermediate editor (uncredited)