 Ewan McGregorRodney Copperbottom (voice) | Rodney Copperbottom (voice) |
 Halle BerryCappy (voice) | Cappy (voice) |
 Greg KinnearRatchet (voice) | Ratchet (voice) |
 Mel BrooksBigweld (voice) | Bigweld (voice) |
 Drew CareyCrank (voice) | Crank (voice) |
 Amanda BynesPiper (voice) | Piper (voice) |
 Robin WilliamsFender (voice) | Fender (voice) |
 Jim BroadbentMadame Gasket (voice) | Madame Gasket (voice) |
 Stanley TucciHerb Copperbottom (voice) | Herb Copperbottom (voice) |
 Dianne WiestMrs. Copperbottom (voice) | Mrs. Copperbottom (voice) |
 Harland WilliamsLug (voice) | Lug (voice) |
 Jennifer CoolidgeAunt Fanny (voice) | Aunt Fanny (voice) |
 Paul GiamattiTim the Gate Guard (voice) | Tim the Gate Guard (voice) |
 Natasha LyonneLoretta Geargrinder (voice) | Loretta Geargrinder (voice) |
 Chris WedgeWonderbot / Phone Booth (voice) | Wonderbot / Phone Booth (voice) |
 Dan HedayaMr. Gunk (voice) | Mr. Gunk (voice) |
 Marshall EfronLamppost / Toilet Bot / Bass Drum / Microphone | Lamppost / Toilet Bot / Bass Drum / Microphone |
 Terry BradshawBroken Arm Bot (voice) | Broken Arm Bot (voice) |
 Al RokerMailbox (voice) | Mailbox (voice) |
 Lucille BlissPigeon Lady (voice) | Pigeon Lady (voice) |
 Jay LenoFire Hydrant (voice) | Fire Hydrant (voice) |
 Lowell GanzMr. Gasket (voice) | Mr. Gasket (voice) |
 Paula AbdulWatch (voice) | Watch (voice) |
 Jackie HoffmanWater Cooler (voice) | Water Cooler (voice) |
 Brian Scott McFaddenTrashcan Bot (voice) | Trashcan Bot (voice) |
 Tim NordquistTin Man (voice) | Tin Man (voice) |
 James Earl JonesVoice Box at Hardware Store (voice) | Voice Box at Hardware Store (voice) |
 Damien FaheyStage Announcer (voice) | Stage Announcer (voice) |
 Stephen TobolowskyBigmouth Executive / Forge (voice) | Bigmouth Executive / Forge (voice) |
 Jansen PanettiereYounger Rodney (voice) | Younger Rodney (voice) |
