General Episodes Cast Voice Actor Role(s) Yuri Lowenthal Ben TennysonAmpFibian (Fused)UltimatrixCarl TennysonBuzzGalvan TeacherEonSynthroidAlbedoMechamorph GuardPlumber (Ultimate Aggregor)Necrofriggian #3 (Map of Infinity)Piscciss Volann Guard (Deep)Churl #2 (Eye of the Beholder)Alpha Member #2 (Basic Training)Plumber #1 (A Knight to Remember)Soldier (Fame and The Mother of All Vreedles)Reporter (Escape from Aggregor)Sentry (Andreas' Fault)Keeper (Andreas' Fault)TV Reporter #2 (Hero Time)Dispatcher (Deep)Prisoner (...Nor Iron Bars a Cage)Engineer #1 (The Enemy of My Enemy)Soldier #1 (Viktor: The Spoils)French Instructor (It's Not Easy Being Gwen)Erin's Boyfriend (The Flame Keepers' Circle)Radio (The Perfect Girlfriend)Scientist (The Eggman Cometh)Various Forever Knights Ashley Johnson Gwen TennysonDiamondhead (Inspector 13)Clockwork (Inspector 13)Humungousaur (Inspector 13)Upchuck (Inspector 13)Rath (Inspector 13)SunnyMrs. RozumPierce's GirlfriendTeen Girl (Ultimate Aggregor)Fan (Deep) Greg Cipes Kevin LevinJetray (Inspector 13)Wildmutt (Inspector 13)Way Big (Inspector 13)Nanomech (Inspector 13)AmpFibian (Inspector 13)Aggrebot (Escape from Aggregor)Churl #3 (Eye of the Beholder)Alpha Member #3 (Basic Training)Exasperated Guy (Video Games)Computer (Hero Time)Soldier #2 (Viktor: The Spoils)Kid (Revenge of the Swarm)Student (It's Not Easy Being Gwen)Various Forever Knights Dee Bradley Baker SwampfireUltimate SwampfireEcho EchoUltimate Echo EchoHumungousaurUltimate HumungousaurJetrayBig ChillUltimate Big ChillChromastoneBrainstormSpidermonkeyUltimate SpidermonkeyGoopCannonboltUltimate CannonboltUpchuckWay BigUltimate Way BigLodestarDiamondheadNanomechWater HazardAmpFibianArmodrilloTerraspinNRGHeatblastStinkflyWildmuttUltimate WildmuttFour ArmsChamAlienEatleFasttrackJury RiggBivalvanAndreasP'andorRa'adSevensevenPickaxe AliensSsserpentYetiGeochelone AerioComputronCerberusPsyphonBlowfishPallorfangScrutinSentinelBarryHarvey HackettPlant AlienSir ReginaldLucubraTrumbipulorPrisoner 775DNAliensGourmand ActorCerebrocrustacean ActorPiscciss Volann ActorSentient Ultimate HumungousaurSentient Ultimate SpidermonkeySentient Ultimate SwampfireSentient Ultimate Echo EchoSentient Ultimate CannonboltSentient Ultimate Big ChillRed RobotInspector 13IgnaceousWater CreatureMutant ChickensMutant Chicken LeaderFlame Keepers' Circle Member (The Flame Keepers' Circle)Plumber (The Mother of All Vreedles)Pilot (Fame)Store Manager (Andreas' Fault)TV Reporter #1 (Hero Time)Sheriff (Moonstruck)Reporter (The Perfect Girlfriend)Cop #2 (The Perfect Girlfriend)Various Forever Knights Paul Eiding Max TennysonColonel (Moonstruck)Guards (Prisoner Number 775 Is Missing) John DiMaggio RathYoung Four ArmsAggregorWill HarangueColonel RozumVulkanusZombozoforeverduke838AdwaitaSpellbinderOctagon VreedleMagister CoronachConduit EdwardsSwampsGarbage MonsterCentur SquaarDiagonPlumber (Too Hot to Handle)Aggrebot (Fused and Ultimate Aggregor)Necrofriggian #2 (Map of Infinity)Piscciss Volann Commander (Deep)TV Reporter (Duped)Audience Member (Hero Time)Police Officer (Prisoner Number 775 Is Missing)Barker (The Flame Keepers' Circle)V.O. Announcer (Double or Nothing)Sailor (The Widening Gyre)Various Forever Knights Vyvan Pham Julie YamamotoShipMrs. JonesFan (Duped)Customer (Hero Time)Erin (The Flame Keepers' Circle)Computer (Inspector 13) Jeff Bennett GhostfreakAzmuthBellicusPa VreedleMagister LabridHaplorHughNecrofriggian #1 (Map of Infinity)Jailer (The Enemy of My Enemy)General Major (Moonstruck)Major Domo (Double or Nothing) Alexander Polinsky ArgitVarious Forever Knights Scott Menville Jimmy JonesJ.T.Soldier #2 (Fame)Fanboy (Andreas' Fault)Various Forever Knights David McCallum Professor Paradox Dwight Schultz Dr. AnimoTeacher #2 (It's Not Easy Being Gwen)Sheriff (The Eggman Cometh) Kari Wahlgren CharmcasterRojo Wil Wheaton Darkstar Rob Paulsen Rhomboid VreedleBaz-ElMagister PatellidayChurl #1 (Eye of the Beholder)Engineer #2 (The Enemy of My Enemy)Various Forever Knights Peter Renaday Sir GeorgeVarious Forever Knights James Remar Vilgax Juliet Landau Natalie TennysonVerdonaFritzTeacher #1 (It's Not Easy Being Gwen)Waitress (Moonstruck)Melinda (The Eggman Cometh) Fred Tatasciore HammerSurgeonQuinceStrabismusRobot Guard (...Nor Iron Bars a Cage)Various Forever Knights Patrick Cavanaugh WinstonPoliceman (The Creature from Beyond)Various Esoterica Kevin Michael Richardson Magister PykeKwarrel Peter MacNicol Oliver ThompsonMr. WebbVarious Forever Knights Greg Ellis Sir DagonetPrince GyulaChet Rigby (Andreas' Fault)Soldier #3 (Viktor: The Spoils) Sean Donnellan Ben 10,000EonCameraman (Hero Time)Thug (Hero Time)Tech (Hero Time) Tara Platt Jennifer NocturneTV Reporter #3 (Hero Time) Christopher McDonald Captain Nemesis Chris Pratt Cooper Daniels Molly C. Quinn EuniceComputer (Simian Says) Jason Marsden Young MaxAntonio Tia Texada Elena Validus Robin Atkin Downes Sir CyrusNurse (The Creature from Beyond) James Arnold Taylor BranniganKolarFridgeVilgax ActorPlumber Officer (Basic Training)Announcer (Double or Nothing) Richard Doyle DriscollMr. BaumannPlumber #2 (A Knight to Remember) Beth Littleford Sandra Tennyson J.K. Simmons Magister Prior GilhilPlumber (Escape from Aggregor) Jim Piddock UrianUmpire (Duped)Commentator (Duped) Nicholas Guest SimonsWorker (Hero Time)Guest (Hero Time) Tara Strong Young BenSerena Xander Berkeley MorggTrukk Zeno Robinson Alan Albright Powers Boothe Sunder Peter Stormare King Xarion Brian George Victor ValidusEgor Charlie Schlatter TackPlumber (Basic Training) Miguel Ferrer Magister HulkaAlpha Member #1 (Basic Training) Olivia Hack Emily Adam Wylie PierceVarious Forever Knights Diedrich Bader Simian Jon Polito Mizaru Keone Young IshiyamaMr. YamamotoRepairman (The Perfect Girlfriend)Cop #1 (The Perfect Girlfriend) Yeni Álvarez Dr. Borges Vicki Lewis Agent Locke Bill Mumy Agent BrysonAgent (The Widening Gyre) Diane Delano Ma VreedlePretty Boy Vreedle Tress MacNeille Zennith Khary Payton Hex Marianne Muellerleile Maureen Nocturne Danny Jacobs Dr. PervisDispatcher (Catch a Falling Star)Captain (Catch a Falling Star) Ben 10: Ultimate Alien Casts Season 1 Fame • Duped • Hit 'Em Where They Live • Video Games • Escape from Aggregor • Too Hot to Handle • Andreas' Fault • Fused • Hero Time • Ultimate Aggregor • Map of Infinity • Reflected Glory • Deep • Where the Magic Happens • Perplexahedron • The Forge of Creation • ...Nor Iron Bars a Cage • The Enemy of My Enemy • Absolute Power: Part 1 • Absolute Power: Part 2 Season 2 The Transmogrification of Eunice • Eye of the Beholder • Viktor: The Spoils • The Big Story • Girl Trouble • Revenge of the Swarm • The Creature from Beyond • Basic Training • It's Not Easy Being Gwen • Ben 10,000 Returns • Moonstruck • Prisoner Number 775 Is Missing Season 3 The Purge • Simian Says • Greetings from Techadon • The Flame Keepers' Circle • Double or Nothing • The Perfect Girlfriend • The Ultimate Sacrifice • The Widening Gyre • The Mother of All Vreedles • A Knight to Remember • Solitary Alignment • Inspector 13 • Enemy of My Frenemy • Couples Retreat • Catch a Falling Star • The Eggman Cometh • Night of the Living Nightmare • The Beginning of the End • The Ultimate Enemy: Part 1 • The Ultimate Enemy: Part 2 Specials Heroes United Categories: Cast Lists Ben 10: Ultimate Alien Cast Lists