Jennifer Coolidge Aunt Fanny (voice)
Robin Williams Fender (voice)
Stanley Tucci Herb Copperbottom (voice)
Halle Berry Cappy (voice)
Paul Giamatti Tim the Gate Guard (voice)
Ewan McGregor Rodney Copperbottom (voice)
Natasha Lyonne Loretta Geargrinder (voice)
Jim Broadbent Madame Gasket (voice)
Greg Kinnear Ratchet (voice)
James Earl Jones Voice Box at Hardware Store (voice)
Paula Abdul Watch (voice)
Dianne Wiest Mrs. Copperbottom (voice)
Mel Brooks Bigweld (voice)
Amanda Bynes Piper (voice)
Jay Leno Fire Hydrant (voice)
Stephen Tobolowsky Bigmouth Executive / Forge (voice)
Carlos Saldanha Co-Director
Dan Hedaya Mr. Gunk (voice)
Harland Williams Lug (voice)
Jansen Panettiere Younger Rodney (voice)
Drew Carey Crank (voice)
John Powell Original Music Composer
David Lindsay-Abaire Screenplay, Story
Jackie Hoffman Water Cooler (voice)
Bob Camp Storyboard Artist
Chris Meledandri Executive Producer
Chris Wedge Director, Wonderbot / Phone Booth (voice)
Al Roker Mailbox (voice)
Randy Jackson Watch #2 (voice) (uncredited)
Darin De Paul Additional Voices
Alan Rosenberg Jack Hammer (voice)
John Donkin Producer
Michael Thurmeier Supervising Animator
Will Denton Young Rodney (voice)
Ray Iannicelli Additional Voices
Sondra James Additional Voices
Marshall Efron Lamppost / Toilet Bot / Bass Drum / Microphone
Steve Martino Art Direction
Brett Hoffman Script Coordinator
William Joyce Producer, Production Design
Paul Urmson Sound Effects Designer, Diesel (uncredited)
Gary Burritt Negative Cutter
Jim Passon Color Timer
Peter de Sève Character Designer
Natasha Leonnet Digital Color Timer
Enrico Casarosa Storyboard Artist
Bruce Winant Additional Voices / ADR Loop Group
Terry Bradshaw Broken Arm Bot (voice)
Dann Fink Additional Voices
David Lucarelli ADR Recordist
James Brown Diesel (archive footage) (uncredited)
John Carnochan Editor
Christian Kaplan Casting
Moroni Taylor Storyboard Artist
Pete Anthony Conductor
Damien Fahey Stage Announcer (voice)
Galen T. Chu Lead Animator
Cooper Cowgill Additional Voices
Tim Gomillion Sound Recordist
Johnny Gidcomb ADR Voice Casting
Jeannine Berger Post Production Supervisor
Colette D. Dahanne ADR Mixer
Robert Fernandez Scoring Mixer
Marko Costanzo Foley Artist
Marissa Littlefield Dialogue Editor
Sean Garnhart Sound Designer, Diesel (uncredited)
Anthony Nisi Production Supervisor
Kent Beyda Additional Editing, Thanks
Wyatt Sprague Sound Effects Editor
Derek Casari ADR Engineer
Luke Martorelli Master Lighting Artist
Arun Ram-Mohan Lighting Artist