Tom KennyDog / Cliff (voice) Carlos AlazraquiWinslow / Lube (voice) Maria BamfordShriek (voice) Billy WestRancid Rabbit (voice) John KassirDunglap / Mervis (voice) Nika FuttermanLola (voice) Dwight SchultzEddie the Squirrel (voice) Laraine NewmanIngrid Twins (voice) Peter HannanBalloon Guy (voice) / Theme Song Performance / Storia Dave ThomasMean Bob (voice) Rob PaulsenStanky (voice) April WinchellSpace Grannies (voice) Dee Dee GreeneGreaser Baby Girl (voice) Brian Doyle-MurraySanta Claus Greg BursonBarry the Baboon (voice) Rodger BumpassPig / Man (voice) Jane KrakowskiCatDog's Mother (voice) Billy Bob ThorntonCatDog's Father (voice) Julianne BuescherCatrina (voice) Andrea MartinTalluhla / Indian (voice) Gail MatthiusFeline (voice) Tom KaneEvil Eric (voice) Kath SoucieLorraine (voice) Edie McClurgMrs. Grock (voice) Peter MacNicolRunt (voice) Teresa ParenteMaria Cowess / Mrs. Banks (voice) Cole HannanCat Fanatic (voice) Ruby HannanCat Fanatic (voice) Robert PorterRegista / Sceneggiatore Derek DrymonRegista / Sceneggiatore Marlene Robinson MayRegista Gary McCarverRegista / Animation Director Steven BanksSceneggiatore Andy RheingoldSceneggiatore Andrew GottliebSceneggiatore Vince CheungSceneggiatore Ben MontanioSceneggiatore Robert LamoreauxSceneggiatore Dan PovenmireSceneggiatore Michael KarnowSceneggiatore Lance KhazeiSceneggiatore Patricia CarrSceneggiatore Casper KellySceneggiatore Chris GilliganSceneggiatore Barry StringfellowSceneggiatore Frank SantopadreSceneggiatore Magda LiolisSceneggiatore Rick RodgersSceneggiatore Wendy ReardonSceneggiatore Scott SonnebornSceneggiatore Rachel PowellSceneggiatore Sydnie SuskindSceneggiatore Antoine GuilbaudSceneggiatore Mario PilusoSceneggiatore Julia Jane LewaldSceneggiatore Peter HannanBalloon Guy (voice) / Theme Song Performance / Storia 
