Altri personaggi
- Rodney Copperbottom
Ewan McGregoringlese - Cappy
Halle Berryinglese - Ratchet
Greg Kinnearinglese - Bigweld
Mel Brooksinglese - Crank
Drew Careyinglese - Piper
Amanda Bynesinglese - Fender
Robin Williamsinglese - Madame Gasket
Jim Broadbentinglese - Herb Copperbottom
Stanley Tucciinglese - Mrs. Copperbottom
Dianne Wiestinglese - Lug
Harland Williamsinglese - Aunt Fanny
Jennifer Coolidgeinglese - Tim the Gate Guard
Paul Giamattiinglese - Loretta Geargrinder
Natasha Lyonneinglese - Wonderbot / Phone Booth
Chris Wedgeinglese - Mr. Gunk
Dan Hedayainglese - Lamppost / Toilet Bot / Bass Drum / Microphone
Marshall Efroninglese - Broken Arm Bot
Terry Bradshawinglese - Mailbox
Al Rokeringlese - Pigeon Lady
Lucille Blissinglese - Fire Hydrant
Jay Lenoinglese - Mr. Gasket
Lowell Ganzinglese - Watch
Paula Abdulinglese - Water Cooler
Jackie Hoffmaninglese - Trashcan Bot
Brian Scott McFaddeninglese - Tin Man
Tim Nordquistinglese - Voice Box at Hardware Store
James Earl Jonesinglese - Stage Announcer
Damien Faheyinglese - Bigmouth Executive / Forge
Stephen Tobolowskyinglese - Younger Rodney
Jansen Panettiereinglese - Young Rodney
Will Dentoninglese - Youngest RodneyDylan Dentoninglese
- Additional Voices
Lara Codyinglese - Jack Hammer
Alan Rosenberginglese - Additional Voices / ADR Loop Group
Bruce Winantinglese - DJ Robot (uncredited)
Chingyinglese - Diesel (uncredited)Sean Garnhartinglese
- Watch #2 (voice) (uncredited)
Randy Jacksoninglese - Diesel (archive footage) (uncredited)
James Browninglese