Previous Cast Where the Magic Happens Next Cast Deep Perplexahedron Voice Actor Role(s) Yuri Lowenthal Ben Tennyson Ashley Johnson Gwen Tennyson Greg Cipes Kevin Levin Dee Bradley Baker Four ArmsHumungousaurUltimate HumungousaurJetrayChromastoneCannonboltPallorfangScrutin John DiMaggio AggregorAdwaitaSpellbinder Kari Wahlgren Charmcaster 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