Halle Berry Cappy (voice)
Jennifer Coolidge Aunt Fanny (voice)
Robin Williams Fender (voice)
Stanley Tucci Herb Copperbottom (voice)
Jim Broadbent Madame Gasket (voice)
Stephen Tobolowsky Bigmouth Executive / Forge (voice)
Ewan McGregor Rodney Copperbottom (voice)
Dan Hedaya Mr. Gunk (voice)
Paul Giamatti Tim the Gate Guard (voice)
Natasha Lyonne Loretta Geargrinder (voice)
Galen T. Chu Lead Animator
Mel Brooks Bigweld (voice)
Drew Carey Crank (voice)
Greg Kinnear Ratchet (voice)
James Earl Jones Voice Box at Hardware Store (voice)
Jay Leno Fire Hydrant (voice)
David Lindsay-Abaire Screenplay, Story
Randy Jackson Watch #2 (voice) (uncredited)
Dianne Wiest Mrs. Copperbottom (voice)
Will Denton Young Rodney (voice)
Kent Beyda Additional Editing, Thanks
Amanda Bynes Piper (voice)
Alan Rosenberg Jack Hammer (voice)
Mike Thurmeier Supervising Animator
Bob Camp Storyboard Artist
Harland Williams Lug (voice)
Chris Wedge Director, Wonderbot / Phone Booth (voice)
Jackie Hoffman Water Cooler (voice)
Natasha Leonnet Digital Color Timer
Tom Carlson Music Editor
John Powell Original Music Composer
Dann Fink Additional Voices
Paula Abdul Watch (voice)
Brian Scott McFadden Trashcan Bot (voice)
Al Roker Mailbox (voice)
Enrico Casarosa Storyboard Artist
Darin De Paul Additional Voices
Jamie Williams Visual Effects Technical Director
Terry Bradshaw Broken Arm Bot (voice)
Marko Costanzo Foley Artist
Bruce Winant Additional Voices / ADR Loop Group
Carlos Saldanha Co-Director
James Brown Diesel (archive footage) (uncredited)
Chris Meledandri Executive Producer
Paul Urmson Sound Effects Designer, Diesel (uncredited)
Mark Filip Apprentice Sound Editor
Steve Martino Art Direction
William Joyce Producer, Production Design
Damien Fahey Stage Announcer (voice)
Tim Nordquist Associate Editor, Tin Man (voice)
Sondra James Additional Voices
Ray Iannicelli Additional Voices
Jim Passon Color Timer
Marshall Efron Lamppost / Toilet Bot / Bass Drum / Microphone
Derek Casari ADR Engineer
Sean Garnhart Sound Designer, Diesel (uncredited)
Arun Ram-Mohan Lighting Artist
Bill Orrico First Assistant Sound Editor
Jeannine Berger Post Production Supervisor
Paul Downs Animation
Jansen Panettiere Younger Rodney (voice)
Wyatt Sprague Sound Effects Editor
Pete Anthony Conductor
Gary Burritt Negative Cutter
David Lucarelli ADR Recordist
Babaloo Mandel Screenplay
John C. Donkin Producer
Marissa Littlefield Dialogue Editor
Jim McClain Story
Ron Mita Story
Lowell Ganz Screenplay, Mr. Gasket (voice)
Allen Dam Production Consultant