cast
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Yuri Lowenthal
Ben Tennyson (voice)
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Ashley Johnson
Gwen Tennyson (voice)
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Greg Cipes
Kevin Levin (voice)
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Dee Bradley Baker
Swampfire / Echo Echo / Humungousaur / DNAlien (voice) / ChromaStone / Spidermonkey / Knight (voice) / Spidermonkey / Jet Ray / Brain Storm (voice) / Seven Seven / Bandaged Warrior / Swampfire (voice) / Jetray / Humungousaur / Big Chill (voice) / Diamondhead / Lodestar / Swampfire / Ultimate Swampfire / SpiderMonkey / Humungousaur / Ultimate Humungousaur (voice) / DNAlien / Jet Ray / Swampfire / Upchuck / Human Cannon Bolt / Waybig / Humungousaur (voice) / Humungousaur / Jetray / Brainstorm (voice) / Humungousaur / Big Chill / Jet Ray / Swampfire / Goop / Echo Echo / Brain Storm / Spidermonkey / ChromaStone (voice) / Echo Echo / Big Chill / Swampfire / Draven/ Dasypodidae (voice) / ChromaStone / Humungousaur / Jet Ray / DNAlien #1 / Xenocite (voice) / Diamondhead / Big Chill / Jet Ray / Swampfire / SpiderMonkey / Humungousaur / Ultimate Humungousaur (voice) / Hideous Monster / Echo Echo / Humungousaur / ChromaStone / DNAlien #1 / Alien Mom (voice) / Swampfire / Echo Echo / Humungousaur (voice) / Big Chill / DNAlien #1 / Goop / Echo Echo (voice) / Dirt Farmer / Humungousaur / Big Chill / Brainstorm / ChromaStone (voice) / Big Chill / Swampfire / Fleeing DNAlien (voice) / Swampfire / Jet Ray / Driver (voice) / Big Chill / Cop #1 / Driver (voice) / Echo Echo / Big Chill / Pickaxe Alien (voice) / ChromaStone / Swampfire / Jet Ray / Hugo / Humungousaur (voice) / ChromaStone / Humungousaur / Jetray (voice) / ChromaStone / Goop (voice) / Swampfire / Jet Ray / Officer Wells (voice) / Big Chill / Spidermonkey / Goop / ChromaStone / Jet Ray / HighBreed (voice) / ChromaStone / Goop / Humungousaur / DNAlien #1 / DNAlien #2 / DNAlien #3 (voice) / Swampfire / Humungousaur / Brain Storm (voice)
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Paul Eiding
Max (voice) / Max / Truck Driver (voice) / Grandpa Max (voice) / Max / Alien Serf (voice) / Ishyama / Grandpa Max (voice) / HighBreed (voice) / Max / DNAlien (voice) / DNAlien / Grandpa Max (voice) / Max / Moe (voice)
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Jeff Bennett
Ghostfreak (voice) / Azmuth (voice) / Magister/ Forever Knight #1 (voice) / Magister / Forever Knight #1 (voice) / DNAlien #2 / Alien Dad (voice) / Azmuth/ Policeman / Kraab (voice)
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Richard McGonagle
HighBreed / Forever Knight #5 / Sensei (voice) / DNAlien #3 / DNAlien #4 (voice) / DNAlien Interrogator / HighBreed / DNAlien #2 (voice! / General Groff (voice) / Guard #2 / HighBreed / Sheriff (voice) / DNAlien / Officer (voice) / HighBreed (voice) / HighBreed Supreme Commander / HighBreed Reinrassig (voice)
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Kevin Michael Richardson
DNAlien #3 / HighBreed Commander / Big Ship (voice) / HighBreed Commander / Forever Knight #2 / Guard (voice) / DNAlien #2 / Guard #1 / Beefy Trucker (voice) / Emperor Milleous / Warrior 1 (voice) / HighBreed / DNAlien (voice) / Sheriff Mason (voice) / TV Narrator / Sir Morton / Knight #1 / Big Ship (voice)
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Vyvan Pham
Julie / Ship (voice) / Julie / Mother (voice) / Julie / Ship / Ingenue (voice) / Julie / Waitress (voice) / Julie (voice) / Ship / Myaxx (voice)
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John DiMaggio
Rath (voice) / Vulkanus (voice)
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Wil Wheaton
Darkstar (voice) / Mike Morningstar (voice)
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Zeno Robinson
Alan (Heatblast II) (voice) / Alan / Heatblast (voice) / Alan Albright (voice)
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David McCallum
Paradox (voice)
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Juliet Landau
Helen (voice) / Natalie / Energy Verdona (voice)
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Khary Payton
Manny (voice)
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Robert David Hall
HighBreed Guard (voice) / Forever Knight #3 / Counterman (voice)
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Adam Wylie
Pierce (voice)
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Greg Ellis
Squire (voice) / Forever Knight #1 / Forever Knight #2 / Jailer (voice)
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Corey Padnos
Cooper (voice)
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James Remar
Vilgax (voice)
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Tim Curry
Dr. Chadwick / Knight #2 (voice)
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Vicki Lewis
Serena (voice)
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Kevin Conroy
Bellicus / Warrior 2 (voice)
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Scott Menville
JT (voice)
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Ioan Gruffudd
Devin Levin / Robot Guard (voice)
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Alexander Polinsky
Argit (voice)
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Kamali Minter
Trina / Zombie Girls (voice)
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Kim Mai Guest
Lucy / Zombie Girls (voice)
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Diane Delano
Edna / DNAlien #1 (voice)
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Will Friedle
Ken / Shem (voice)
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Rob Paulsen
Alien Pilot / Cotton Candy Vendor / Patrolman (voice)
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George Newbern
Frank (voice)
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Barbara Bain
Verdona (voice)
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Matt Levin
Cash (voice)
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Michael York
Patrick (voice)
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Hakeem Kae-Kazim
Connor (voice)
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Clancy Brown
Dragon / Pilot (voice)
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Tara Strong
Attea (voice)
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James Arnold Taylor
Raff / Attendant 1 (voice)
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J.K. Simmons
Magister Gilhil (voice)
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Don McManus
Carl Tennyson (voice)
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Beth Littleford
Sandra Tennyson (voice)
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Wallace Langham
Tyler / DNAlien #2 (voice)
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Diedrich Bader
Simian / Lu (voice)
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Dwight Schultz
Null Guardian / D'Void (Dr. Animo) (voice)
