Full Cast — Ben 10: Alien Force (2008–2010)
Yuri Lowenthal
Ben Tennyson (voice)
Ashley Johnson
Gwen Tennyson (voice)
Greg Cipes
Kevin Levin (voice)
Dee Bradley Baker
Diamondhead / Big Chill / Jet Ray / Swampfire / SpiderMonkey / Humungousaur / Ultimate Humungousaur (voice) / DNAlien / Jet Ray / Swampfire / Upchuck / Human Cannon Bolt / Waybig / Humungousaur (voice) / ChromaStone / Goop (voice) / Humungousaur / Big Chill / Jet Ray / Swampfire / Goop +95 more
Paul Eiding
Max / Alien Serf (voice) / Max / Moe (voice) / DNAlien / Grandpa Max (voice) / Max / DNAlien (voice) / Max / Truck Driver (voice) / Ishyama / Grandpa Max (voice) / Grandpa Max (voice) / Max (voice) / HighBreed (voice)
Jeff Bennett
Magister / Forever Knight #1 (voice) / Magister/ Forever Knight #1 (voice) / Azmuth (voice) / Azmuth/ Policeman / Kraab (voice) / Ghostfreak (voice) / DNAlien #2 / Alien Dad (voice)
Richard McGonagle
Guard #2 / HighBreed / Sheriff (voice) / HighBreed Supreme Commander / HighBreed Reinrassig (voice) / HighBreed / Forever Knight #5 / Sensei (voice) / DNAlien Interrogator / HighBreed / DNAlien #2 (voice! / General Groff (voice) / DNAlien / Officer (voice) / DNAlien #3 +2 more
Kevin Michael Richardson
HighBreed Commander / Forever Knight #2 / Guard (voice) / Emperor Milleous / Warrior 1 (voice) / DNAlien #2 / Guard #1 / Beefy Trucker (voice) / DNAlien #3 / HighBreed Commander / Big Ship (voice) / HighBreed / DNAlien (voice) / TV Narrator / Sir Morton / Knight #1 / Big Ship (voice) +1 more
Vyvan Pham
Julie / Ship / Ingenue (voice) / Julie / Waitress (voice) / Julie (voice) / Ship / Myaxx (voice) / Julie / Mother (voice) / Julie / Ship (voice)
John DiMaggio
Vulkanus (voice) / Rath (voice)
Wil Wheaton
Mike Morningstar (voice) / Darkstar (voice)
Zeno Robinson
Alan / Heatblast (voice) / Alan (Heatblast II) (voice) / Alan Albright (voice)
David McCallum
Paradox (voice)
Juliet Landau
Natalie / Energy Verdona (voice) / Helen (voice)
Khary Payton
Manny (voice)
Robert David Hall
HighBreed Guard (voice) / Forever Knight #3 / Counterman (voice)
Adam Wylie
Pierce (voice)
Greg Ellis
Forever Knight #1 / Forever Knight #2 / Jailer (voice) / Squire (voice)
Corey Padnos
Cooper (voice)
James Remar
Vilgax (voice)