Jason LeeShoeshine / Underdog (voice) Peter DinklageDr. Simon Barsinister Amy AdamsPolly Purebred (voice) Brad GarrettRiff Raff (voice) Timothy CrowePolice Chief Larry VigusSecurity Guard Mario MarianiPolice Officer Alexander 'Alex' GardeSmall Boy Christopher Francis ByrnesMailman (as Christopher Byrnes) Joe SirianiNews Stand Guy (as Joseph Siriani) Michele ProudeOffice Worker #2 Albert M. ChanGeek Worker Susie CastilloDiana Flores Bruce-Robert SerafinCity Worker (as Bruce Serafin) Anthony EstrellaMale School Teacher (as Tony Estrella) Malik McMullenBomb Squad Officer Lewis D. WheelerGeek with Glasses Ellen WithrowFemale Teacher Frank RidleyPolice Sergeant Courtney O'ReaganCollege Girl Rebekah AraminiFox Collar Lady Richney FischerBaseball Dad Joe StapletonCat Burglar Police #1 Armen GaroCat Burglar Police #2 Daniel KirbyNews Director Stephen James KiddBomb Squad Member (as Steve Kidd) Diana ShneiderPolice Secretary Bob BoehmBomb Squad Officer #2 (as Robert Boehm) Lincoln P. SissonBomb Squad Officer #3 Harry L. ThomasPolice Artist Nicole KopkaJogger in Park Adam McCarthyCapitol City Security Roy SouzaCapitol City Cop Tom PaolinoCapitol City Cop Scott DittmanHot Dog Contestant Chris Andrew CiullaFireman (as Chris Ciulla) Phil MorrisSupershep 1 (voice) Michael MasseeSupershep 2 (voice) Cam ClarkeLittle Brown Dog / Supershep 3 (voice) John DiMaggioBulldog / Supershep 4 (voice) Danny MastrogiorgioCrazy Dog (voice) Jess HarnellAstronaut (voice) John FranchiObserver (uncredited) Susan GarfieldOffice Worker (uncredited) Michael Tyler HenryJack Unger (voice) Jonathan GlickmanProductor Todd ArnowProductor ejecutivo Bob HigginsProductor ejecutivo Eric EllenbogenProductor ejecutivo Garreth StoverProduction Design Maggie MartinSet Decoration James F. TruesdaleArt Direction David EggbyDirector Of Photography Peggy NicholsonHair Department Head Joe RossiMakeup Department Head Kelly CroninSupervisor de guion Ellen M. HillersSecond Assistant Director Philip A. PattersonFirst Assistant Director Bob BrownSecond Unit Director Randy EdelmanCompositor de música original Robert L. SephtonDiseñador de sonido Charles Martin InouyeSupervising Music Editor Tanya Noel HillMusic Editor Gail GoldbergCasting Director Donna E. BloomUnit Production Manager Montez A. MonroeProduction Coordinator Hoyt YeatmanVisual Effects Supervisor Andy FowlerVisual Effects Producer Rob DuncanVisual Effects Supervisor Mark DornfeldVisual Effects Supervisor Gayle BusbyVisual Effects Producer Ben ShepherdVisual Effects Supervisor 
