Series Cast 59
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Ben Tennyson (voice) (52 Episodes)
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Gwen Tennyson (voice) (52 Episodes)
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Kevin Levin (voice) (52 Episodes)
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Humungosaur (voice) (52 Episodes)
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Aggregor (voice) (5 Episodes), Vulkanus / Rath (voice) (4 Episodes), Diagon (voice) (3 Episodes), Will Harangue / Octagon Vreedle (voice) (3 Episodes), Rath / Conduit Edwards / Diagon (voice) (2 Episodes), Plumber / Aggregor (voice) (1 Episode), Addwaitya / Aggregor / Faint Voice (voice) (1 Episode), Young Four Arms / Aggregor (voice) (1 Episode), Magister Coronach / Octagon Vreedle (voice) (1 Episode), Ultimate Aggregor / Volann Commander (voice) (1 Episode), Will Harangue / Rath (voice) (1 Episode), Conduit Edwards / Carnival Barker (voice) (1 Episode), Audience Member / Will Harangue / Rath (voice) (1 Episode), Trash Monster / Colonel Rozum / Additional Voices (voice) (1 Episode), Foreverduke838 (voice) (1 Episode), Spellbinder / Addwaitya / Diagon (voice) (1 Episode), Forever Knight #2 / Rath / TV Reporter (voice) (1 Episode), Swamps / Rath Albedo / V.O. Announcer (voice) (1 Episode)
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Julie Yamamoto / Computer Voice (voice) (5 Episodes), Julie Yamamoto (voice) (2 Episodes), Julie Yamamoto / Ship (voice) (2 Episodes), Erin / Julie Yamamoto (voice) (1 Episode), Mrs. Jones (voice) (1 Episode)
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Max Tennyson / Guard #1 / Guard #2 (voice) (7 Episodes)
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Sir George (voice) (5 Episodes), Old George (voice) (1 Episode)
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Jimmy Jones (voice) (3 Episodes), J.T. (voice) (1 Episode), Jimmy / J.T. / Pilot 2 (voice) (1 Episode)
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Natalie Tennyson / Melinda (voice) (3 Episodes), Fritz (voice) (1 Episode), Verdona Tennyson / Waitress (voice) (1 Episode)
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Vilgax (voice) (5 Episodes)
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Argit (voice) (4 Episodes)
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Charmcaster (voice) (4 Episodes)
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Foreman / Surgeon / Hammer (voice) (1 Episode), Quince / Robot Guard (voice) (1 Episode), Staradisimus / Forever Knight #3 (voice) (1 Episode)
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Technician / Rhomboid Vreedle / Engineer #2 (voice) (1 Episode), Baz-El / Forever Knight #1 / Churl #4 (voice) (1 Episode), Rhomboid Vreedle / Magister Patelliday (voice) (1 Episode)
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Professor Paradox (voice) (3 Episodes)
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Dr. Animo / Teacher #2 (voice) (2 Episodes), Sheriff / Dr. Animo (voice) (1 Episode)
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Magister Labrid / Major General (voice) (1 Episode), Major Domo / Hugh (voice) (1 Episode), Pops Vreedle / Jailer (voice) (1 Episode)
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Mike Morningstar / Darkstar (voice) (3 Episodes)
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Cooper (voice) (2 Episodes)
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Dagonet / Reporter Chet Rigby (voice) (1 Episode), Prince Gyula / Cyborg #2 (voice) (1 Episode)
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Oliver / Forever Knight #1 (voice) (2 Episodes)
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Magister Pyke (voice) (1 Episode), Kwarrel (voice) (1 Episode)
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Young Max Tennyson (voice) (1 Episode), Antonio (voice) (1 Episode)
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Plumber Officer / Brannigan / Kolar (voice) (1 Episode), Announcer / Fake Vilgax / Fridge (voice) (1 Episode)
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Eunice / Computer (voice) (2 Episodes)
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Elena Validus (voice) (2 Episodes)
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Sir Cyrus / Additional Voices (voice) (2 Episodes)
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Driscoll / Additional Voices (voice) (2 Episodes)
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Captain Nemesis (voice) (2 Episodes)
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Jennifer Nocturne (voice) (2 Episodes)
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Alan Albright / Heatblast (voice) (2 Episodes)
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Ben 10,000 / Eon (voice) (1 Episode), Cameraman / Thug / Tech (voice) (1 Episode)
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Sunder (voice) (1 Episode)
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King Xarion / King Viktor (voice) (1 Episode)
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Sandra Tennyson (voice) (1 Episode)
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Magister Gilhil / Plumber (voice) (1 Episode)
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Simons / Worker / Guest (voice) (1 Episode)
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Cash (voice) (1 Episode)
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Serena / Young Ben Tennyson (voice) (1 Episode)
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Warden Morgg / Trukk (voice) (1 Episode)
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Victor Valadis / Janitor (voice) (1 Episode)
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Magister Hulka / Alpha #4 (voice) (1 Episode)
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Tack / Plumber (voice) (1 Episode)
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Emily (voice) (1 Episode)
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Pierce / Forever Knight #3 (voice) (1 Episode)
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Simian (voice) (1 Episode)
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Mizaru (voice) (1 Episode)
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Julie's Dad / Repair Man / Cop (voice) (1 Episode)
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Dr. Borges (voice) (1 Episode)
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Agent Bryson (voice) (1 Episode)
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Agent Locke (voice) (1 Episode)
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Ma Vreedle / Pretty Boy Vreedle (voice) (1 Episode)
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Hex (voice) (1 Episode)
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Maureen (voice) (1 Episode)
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Zennith (voice) (1 Episode)
Series Crew 24
Writing
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Writer (1 Episode)
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Writer (1 Episode)
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Writer (5 Episodes)
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Writer (1 Episode)
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Writer (7 Episodes)
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Writer (2 Episodes)
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Writer (2 Episodes)
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Writer (1 Episode)
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Writer (2 Episodes)
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Writer (1 Episode)
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Writer (1 Episode)
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Writer (2 Episodes)
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Writer (1 Episode)
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Writer (1 Episode)
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Writer (3 Episodes)
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Writer (1 Episode)
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Writer (1 Episode)