Rodney Copperbottom (voice)

Ewan McGregor

Cappy

Halle Berry

Fender (voice)

Robin Williams

Bigweld (voice)

Mel Brooks

Phineus T. Ratchet

Greg Kinnear

Piper (voice)

Amanda Bynes

Crank (voice)

Drew Carey

Madame Gasket (voice)

Jim Broadbent

Aunt Fanny (voice)

Jennifer Coolidge

Herb Copperbottom (voice)

Stanley Tucci

Mrs. Copperbottom (voice)

Dianne Wiest

Wonderbot / Phone Booth (voice)

Chris Wedge

Mr. Gasket (voice)

Lowell Ganz

Lug (voice)

Harland Williams

Crank

Paul Giamatti

Loretta Geargrinder (voice)

Natasha Lyonne

Pigeon Lady (voice)

Lucille Bliss

Broken Arm Bot (voice)

Terry Bradshaw

Mr. Gunk

Dan Hedaya

Fire Hydrant (voice)

Jay Leno

Voice Box at Hardware Store (voice)

James Earl Jones

Lamppost / Toilet Bot / Bass Drum / Microphone

Marshall Efron

Watch (voice)

Paula Abdul

Mailbox

Al Roker

Robin Williamson

Bigmouth/Executive/Forge

Stephen Tobolowsky

Originalstimme Tim

Qyoko Kudo

Deutsche Stimme Rodney

Philipp Moog

Youngest Rodney

Dylan Denton

Deutsche Stimme Fender

Michael Herbig

Deutsche Stimme Cappy

Sarah Connor

Water Cooler (voice)

Jackie Hoffman

Trashcan Bot (voice)

Brian Scott McFadden

Deutsche Stimme Bigweld

Wolfgang Völz

Tin Man (voice)

Tim Nordquist

Deutsche Stimme Ratchet

Oliver Kalkofe

Deutsche Stimme Madame Gasket

Hans Werner Olm

Shandra Schadt

Stage Announcer (voice)

Damien Fahey

Frank Röth

Madeleine Stolze

Younger Rodney (voice)

Jansen Panettiere

Young Rodney (voice)

Will Denton

Ulrich Frank

Katharina Lopinski

Young Rodney (voice)

Crawford Wilson

Bernhard Blümel

Additional Voices (voice)

Jennifer Perito

DJ Robot (uncredited)

Chingy

Jack Hammer (voice)

Alan Rosenberg

Additional Voices (voice) / Additional Voices

Cooper Cowgill

Additional Voices

Lara Cody

Additional Voices

David Crommett

Additional Voices

Darin De Paul

Additional Voices

Dann Fink

Additional Voices

Timothy Gulan

Additional Voices

Ray Iannicelli

Toilet Bot

Marshall Erwin Efron

Additional Voices

Sondra James

Additional Voices

Vanessa Lemonides

Additional Voices

Marcus Maurice

Additional Voices

David Rossmer

Trashcan Bot

Brian McFadden

Additional Voices / ADR Loop Group

Bruce Winant

Stage Announcer (voice)

Chris Moyles

Diesel (uncredited)

Sean Garnhart

Watch #2 (voice) (uncredited)

Randy Jackson

Diesel (archive footage) (uncredited)

James Brown