All Cast

Ewan McGregor

Ewan McGregor

Rodney Copperbottom (voice)

Robin Williams

Robin Williams

Fender (voice)

Halle Berry

Halle Berry

Cappy (voice)

Amanda Bynes

Amanda Bynes

Piper (voice)

Mel Brooks

Mel Brooks

Bigweld (voice)

Jim Broadbent

Jim Broadbent

Madame Gasket (voice)

Greg Kinnear

Greg Kinnear

Ratchet (voice)

Stanley Tucci

Stanley Tucci

Herb Copperbottom (voice)

Dianne Wiest

Dianne Wiest

Mrs. Copperbottom (voice)

Drew Carey

Drew Carey

Crank (voice)

Harland Williams

Harland Williams

Lug (voice)

Jennifer Coolidge

Jennifer Coolidge

Aunt Fanny (voice)

Paul Giamatti

Paul Giamatti

Tim the Gate Guard (voice)

Natasha Lyonne

Natasha Lyonne

Loretta Geargrinder (voice)

Chris Wedge

Chris Wedge

Wonderbot / Phone Booth (voice)

Dan Hedaya

Dan Hedaya

Mr. Gunk (voice)

Marshall Efron

Marshall Efron

Lamppost / Toilet Bot / Bass Drum / Microphone

Terry Bradshaw

Terry Bradshaw

Broken Arm Bot (voice)

Al Roker

Al Roker

Mailbox (voice)

Lucille Bliss

Lucille Bliss

Pigeon Lady (voice)

Jay Leno

Jay Leno

Fire Hydrant (voice)

Lowell Ganz

Lowell Ganz

Mr. Gasket (voice)

Paula Abdul

Paula Abdul

Watch (voice)

Jackie Hoffman

Jackie Hoffman

Water Cooler (voice)

Brian Scott McFadden

Brian Scott McFadden

Trashcan Bot (voice)

Tim Nordquist

Tim Nordquist

Tin Man (voice)

James Earl Jones

James Earl Jones

Voice Box at Hardware Store (voice)

Damien Fahey

Damien Fahey

Stage Announcer (voice)

Stephen Tobolowsky

Stephen Tobolowsky

Bigmouth Executive / Forge (voice)

Jansen Panettiere

Jansen Panettiere

Younger Rodney (voice)

Will Denton

Will Denton

Young Rodney (voice)

Crawford Wilson

Crawford Wilson

Young Rodney (voice)

Dylan Denton

Dylan Denton

Youngest Rodney (voice)

Jennifer Perito

Jennifer Perito

Additional Voices

Alan Rosenberg

Alan Rosenberg

Jack Hammer (voice)

Lara Cody

Lara Cody

Additional Voices

Cooper Cowgill

Cooper Cowgill

Additional Voices

David Crommett

David Crommett

Additional Voices

Darin De Paul

Darin De Paul

Additional Voices

Dann Fink

Dann Fink

Additional Voices

Timothy Gulan

Timothy Gulan

Additional Voices

Ray Iannicelli

Ray Iannicelli

Additional Voices

Sondra James

Sondra James

Additional Voices

Vanessa Lemonides

Vanessa Lemonides

Additional Voices

Marcus Maurice

Marcus Maurice

Additional Voices

David Rossmer

David Rossmer

Additional Voices

Bruce Winant

Bruce Winant

Additional Voices / ADR Loop Group

Chris Moyles

Chris Moyles

Stage Announcer (voice)

Chingy

Chingy

DJ Robot (uncredited)

Sean Garnhart

Sean Garnhart

Diesel (uncredited)

Paul Urmson

Paul Urmson

Diesel (uncredited)

Randy Jackson

Randy Jackson

Watch #2 (voice) (uncredited)

James Brown

James Brown

Diesel (archive footage) (uncredited)