Medvirkende i Hey Arnold!
Francesca Marie SmithHelga Pataki (voice) / Theme Song Performance Jamil Walker SmithGerald Johanssen (voice) Dan CastellanetaGrandpa Phil (voice) Justin ShenkarowHarold Berman (voice) Anndi McAfeePhoebe Heyerdahl (voice) Christopher WalbergStinky Peterson (voice) Phillip Van DykeArnold (voice) Spencer KleinArnold (voice) Olivia HackRhonda Wellington Lloyd (voice) Blake McIver EwingEugene Horowitz (voice) Craig BartlettBrainy (voice) / Regissør / Manusforfatter / Produsent Tress MacNeilleGrandma Gertie (voice) Kath SoucieMiriam Pataki (voice) Steve VikstenOskar Kokoshka (voice) / Story Maurice LaMarcheBig Bob Pataki (voice) Dom IrreraErnie Potts (voice) Dan ButlerMr. Simmons (voice) David WohlPrincipal Wartz (voice) Ben DiskinEugene Horowitz (voice) Baoan ColemanMr. Hyunh (voice) James KeaneMr. Green (voice) Adam WylieCurly Gammelthorpe (voice) Christopher CastileEugene Horowitz (voice) Mary ScheerSuzie Kokoshka (voice) Nika FuttermanOlga Pataki (voice) Danica IvancevicOfficer Pudney (voice) / Manusforfatter Lauren RobinsonNadine (voice) Rick FittsMr. Johanssen (voice) Avriel EppsTimberly Johanssen (voice) Jordan WarkolChocolate Boy (voice) John MarianoVic / Morrie (voice) Shari BelafonteMrs. Johanssen (voice) Michael BacallTorvald (voice) Joey Paul JensenWoman on Street (voice) Jarrett LennonEugene Horowitz (voice) Tony JayRex Smythe-Higgins (voice) Ashley BuccilleLila Sawyer (voice) Rick CorsoDino Spumoni (voice) Jim BelushiCoach Wittenberg (voice) Carlos AlazraquiFrankie G. / Chas (voice) Lisa FusonDanny's Mom / Bratty Kid #2 (voice) Danielle JudovitsPatricia "Big Patty" Smith (voice) Maria BamfordMayor Dixie / Stinky's Grandma (voice) Elizabeth AshleyMrs. Vitello (voice) Frank MartoranaThug / Teen #3 (voice) Mark HamillGrubby (voice) Vincent SchiavelliMr. Bailey (voice) Caroline AaronLandlady (voice) Billy RibackAnnouncer / PSA Guy (voice) Lacey ChabertRuth P. McDougal (voice) Ron PerlmanMickey Kaline (voice) Elliott GouldRabbi Goldberg (voice) Cathy MoriartyTish Wittenberg (voice) Joey StinsonRex Smythe-Higgins III (voice) Mary GrossShelley (voice) Lori AlanSecretary / Cop / Candy Lady (voice) Victor Samuel LopezLorenzo (voice) Bronson PinchotDirector / Chauffeur (voice) Gregg BergerLucky / Worker #1 (voice) Candi MiloCherice (voice) Andy DickMonkeyman (voice) Mayim BialikMaria (voice) Brian Doyle-MurrayLasombra Michael LevinRay Doppel (voice) Steven HartmanCurly (voice) Danny CookseyStoop Kid (voice) Pamela HaydenConnie (voice) Michael DonovanMaria's Dad / Cabby (voice) Quinton FlynnMan #1 (voice) Christine EbersoleLana Vail (voice) Jim LangThe Mad Engineer (voice) / Musikk Danny StrongTeen #1 / Teen #2 (voice) Hiep Thi LeMai Hyunh (voice) Grant GeltTucker Wittenberg (voice) Max CasellaTony B. / Philly D. (voice) Kevin Michael RichardsonBlind Man / Newscaster (voice) DeeDee RescherTorvald's Mother (voice) Ben AaronJamie O Johanssen (voice) Joe PurdyMr. Purdy (voice; uncredited) / Story Angie JareeBig Bob Jingle Singer (voice) Michael FishmanJoey Stevenson (voice) David L. LanderSam the Sewer King (voice) Lloyd SherrBerlitz Teacher / Stylist (voice) Julia Louis-DreyfusMiss Felter (voice) Jimmy PetersonTeenage Bully (voice) Daniel SternMr. Packenham (voice) Harvey KormanDon Reynolds (voice) Alan PaulDino Spumoni (singing voice) John GarryLieutenant Major Goose (voice) Kathy NajimyMadame Blanche (voice) Marty YorkMickey the Weasel / Fifth Grader #1 (voice) John SchuckWally / Announcer (voice) George TakeiPhoebe's Father (voice) Jean SmartPhoebe's Mother (voice) Carol KaneEmily Dickinson Trophy (voice) Jamie FarrMr. Wacko (voice) Sam McMurrayRobbie Fisher (voice) Ashley TesoroFifth Grader (voice) Jer Adrianne LelliottLittle Kid (voice) Randy TravisTravis Randall / Mr. Hyunh's Singing (voice) Hari OziolBoy in Crowd (voice) Wendy HammersJackie Lee (voice) Peter ScolariDoug LeSham (voice) Christian MenaRonnie Matthews (singing voice) Steve FitzpatrickFloyd / Slim (voice) Joseph AshtonIggy (voice) Moira QuirkWoman / Kid #3 (voice) Mitzi McCallPearl Simmons (voice) Rose MarieAgatha Caulfield (voice) Jessica SoddMarcy (voice) Tim CurryMr. Leichliter (voice) Josh Ryan Evans3rd Grader (voice) Cameron Van HoyBig Gino (voice) Phil LaMarrJamie O Johanssen (voice) Laraine NewmanLibrarian / Kid (voice) Christine KolosovRegissør Craig BartlettBrainy (voice) / Regissør / Manusforfatter / Produsent Joe AnsolabehereManusforfatter Jonathan GreenbergManusforfatter Rachel LipmanManusforfatter Antoinette StellaManusforfatter Danica IvancevicOfficer Pudney (voice) / Manusforfatter Jordana ArkinManusforfatter Josephine NericcioManusforfatter Rick GitelsonManusforfatter Celia BonaduceManusforfatter Jonathan RosenthalManusforfatter Keith KaczorekManusforfatter Christopher SimmonsManusforfatter Glen David GoldManusforfatter Steve L. HayesManusforfatter John D. BeckManusforfatter Jim LangThe Mad Engineer (voice) / Musikk Francesca Marie SmithHelga Pataki (voice) / Theme Song Performance Steve VikstenOskar Kokoshka (voice) / Story Joe PurdyMr. Purdy (voice; uncredited) / Story 
