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Chris Pratt (Cooper (voice)) leads the Ben 10: Ultimate Alien cast as the #548 ranked actor globally. Cast members below include current popularity rankings where available.
November 26, 2025

Top 10 Cast Members

Ranked by Wikipedia pageviews on November 25, 2025
#1
Chris Prattas Cooper (voice)
Rank #5486,353 daily views
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#2
James Remaras Vilgax (voice)
Rank #8984,684 daily views
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#3
J.K. Simmonsas Magister Gilhil / Plumber (voice)
Rank #1,1084,112 daily views
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#4
Ashley Johnsonas Gwen Tennyson (voice)
Rank #1,1623,996 daily views
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#5
David McCallumas Professor Paradox (voice)
Rank #2,3402,408 daily views
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#6
Dee Bradley Bakeras Humungosaur (voice)
Rank #2,6522,193 daily views
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#7
Peter Stormareas King Xarion / King Viktor (voice)
Rank #2,6922,164 daily views
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#8
Tara Strongas Serena / Young Ben Tennyson (voice)
Rank #3,0351,952 daily views
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#9
Wil Wheatonas Mike Morningstar / Darkstar (voice)
Rank #3,0381,950 daily views
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#10
Miguel Ferreras Magister Hulka / Alpha #4 (voice)
Rank #3,2861,817 daily views
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Ben 10: Ultimate Alien Full Cast

All 59 cast members with rankings based on Wikipedia pageviews
YL
Yuri Lowenthal
as Ben Tennyson (voice) · 52 eps
Rank #5,865973 daily views

Yuri Lowenthal voices Ben Tennyson, the young hero with the ability to transform into various aliens.

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AJ
Ashley Johnson
as Gwen Tennyson (voice) · 52 eps
Rank #1,1623,996 daily views

Ashley Johnson provides the voice for Gwen Tennyson, Ben's intelligent and resourceful cousin.

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GC
Greg Cipes
as Kevin Levin (voice) · 52 eps
Rank #10,827411 daily views

Greg Cipes voices Kevin Levin, a former foe turned ally with the power to absorb materials around him.

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DB
Dee Bradley Baker
as Humungosaur (voice) · 52 eps
Rank #2,6522,193 daily views

Dee Bradley Baker voices Humungosaur, one of Ben's alien transformations known for its strength and size.

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CP
Chris Pratt
as Cooper (voice) · 2 eps
Rank #5486,353 daily views

Chris Pratt lends his voice to Cooper, a skilled young technician and ally of Ben.

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PB
Powers Boothe
as Sunder (voice) · 1 ep
Rank #5,2651,107 daily views

Powers Boothe voices Sunder, a formidable bounty hunter in the series.

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PS
Peter Stormare
as King Xarion / King Viktor (voice) · 1 ep
Rank #2,6922,164 daily views

Peter Stormare provides the voice for King Xarion and King Viktor, characters with regal authority and ambition.

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BL
Beth Littleford
as Sandra Tennyson (voice) · 1 ep
Rank #19,168122 daily views

Beth Littleford voices Sandra Tennyson, Ben's caring and supportive mother.

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GE
Greg Ellis
as Dagonet / Reporter Chet Rigby (voice) · 1 ep
Rank #16,406180 daily views
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SM
Scott Menville
as Jimmy Jones (voice) · 3 eps
Rank #11,955344 daily views

Scott Menville voices both Jimmy Jones and J.T., among other characters, contributing to the series' engaging character dynamics.

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JS
J.K. Simmons
as Magister Gilhil / Plumber (voice) · 1 ep
Rank #1,1084,112 daily views
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FT
Fred Tatasciore
as Foreman / Surgeon / Hammer (voice) · 1 ep
Rank #7,344732 daily views
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NG
Nicholas Guest
as Simons / Worker / Guest (voice) · 1 ep
Rank #10,202450 daily views
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PM
Peter MacNicol
as Oliver / Forever Knight #1 (voice) · 2 eps
Rank #6,638834 daily views
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ML
Matt Levin
as Cash (voice) · 1 ep
Rank #38,1851 daily views
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TS
Tara Strong
as Serena / Young Ben Tennyson (voice) · 1 ep
Rank #3,0351,952 daily views
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XB
Xander Berkeley
as Warden Morgg / Trukk (voice) · 1 ep
Rank #6,098931 daily views
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KR
Kevin Michael Richardson
as Magister Pyke (voice) · 1 ep
Rank #5,1631,136 daily views
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BG
Brian George
as Victor Valadis / Janitor (voice) · 1 ep
Rank #10,613424 daily views
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MF
Miguel Ferrer
as Magister Hulka / Alpha #4 (voice) · 1 ep
Rank #3,2861,817 daily views
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RP
Rob Paulsen
as Technician / Rhomboid Vreedle / Engineer #2 (voice) · 1 ep
Rank #7,340733 daily views
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CS
Charlie Schlatter
as Tack / Plumber (voice) · 1 ep
Rank #13,421276 daily views
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OH
Olivia Hack
as Emily (voice) · 1 ep
Rank #16,673173 daily views
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JM
Jason Marsden
as Antonio (voice) · 1 ep
Rank #5,6231,028 daily views
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PE
Paul Eiding
as Max Tennyson / Guard #1 / Guard #2 (voice) · 7 eps
Rank #19,119123 daily views
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DM
David McCallum
as Professor Paradox (voice) · 3 eps
Rank #2,3402,408 daily views
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JL
Juliet Landau
as Natalie Tennyson / Melinda (voice) · 3 eps
Rank #12,321326 daily views
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JT
James Arnold Taylor
as Announcer / Fake Vilgax / Fridge (voice) · 1 ep
Rank #10,289444 daily views
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AW
Adam Wylie
as Pierce / Forever Knight #3 (voice) · 1 ep
Rank #13,136288 daily views
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MQ
Molly C. Quinn
as Eunice / Computer (voice) · 2 eps
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DB
Diedrich Bader
as Simian (voice) · 1 ep
Rank #4,8251,230 daily views
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JP
Jon Polito
as Mizaru (voice) · 1 ep
Rank #11,043398 daily views
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AP
Alexander Polinsky
as Argit (voice) · 4 eps
Rank #19,463117 daily views
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DS
Dwight Schultz
as Dr. Animo / Teacher #2 (voice) · 2 eps
Rank #3,9181,533 daily views
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TT
Tia Texada
as Elena Validus (voice) · 2 eps
Rank #18,600132 daily views
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KY
Keone Young
as Julie's Dad / Repair Man / Cop (voice) · 1 ep
Rank #14,466237 daily views
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YA
Yeni Alvarez
as Dr. Borges (voice) · 1 ep
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BM
Bill Mumy
as Agent Bryson (voice) · 1 ep
Rank #4,8611,217 daily views
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VL
Vicki Lewis
as Agent Locke (voice) · 1 ep
Rank #9,401512 daily views
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PR
Peter Renaday
as Sir George (voice) · 5 eps
Rank #19,521116 daily views
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DD
Diane Delano
as Ma Vreedle / Pretty Boy Vreedle (voice) · 1 ep
Rank #16,882168 daily views
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JB
Jeff Bennett
as Pops Vreedle / Jailer (voice) · 1 ep
Rank #8,243624 daily views
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RD
Robin Atkin Downes
as Sir Cyrus / Additional Voices (voice) · 2 eps
Rank #10,843410 daily views
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RD
Richard Doyle
as Driscoll / Additional Voices (voice) · 2 eps
Rank #24,90353 daily views
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KP
Khary Payton
as Hex (voice) · 1 ep
Rank #10,177452 daily views
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KW
Kari Wahlgren
as Charmcaster (voice) · 4 eps
Rank #8,035647 daily views
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CM
Christopher McDonald
as Captain Nemesis (voice) · 2 eps
Rank #4,0721,480 daily views
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WW
Wil Wheaton
as Mike Morningstar / Darkstar (voice) · 3 eps
Rank #3,0381,950 daily views
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MM
Marianne Muellerleile
as Maureen (voice) · 1 ep
Rank #19,521116 daily views
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TP
Tara Platt
as Jennifer Nocturne (voice) · 2 eps
Rank #15,016219 daily views
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DJ
Danny Jacobs
as Captain / Police Dispatch / Dr. Pervis (voice) · 1 ep
Rank #20,089107 daily views
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PC
Patrick Cavanaugh
as Winston / Esoterica / Additional Voices (voice) · 3 eps
Rank #27,18337 daily views
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JR
James Remar
as Vilgax (voice) · 5 eps
Rank #8984,684 daily views
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JD
John DiMaggio
as Aggregor (voice) · 5 eps
Rank #4,2071,430 daily views
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JP
Jim Piddock
as King Urien / Color Commentator / Chair Umpire (voice) · 1 ep
Rank #12,195332 daily views
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VP
Vyvan Pham
as Julie Yamamoto / Computer Voice (voice) · 5 eps
Rank #36,2084 daily views
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ZR
Zeno Robinson
as Alan Albright / Heatblast (voice) · 2 eps
Rank #8,649582 daily views
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TM
Tress MacNeille
as Zennith (voice) · 1 ep
Rank #7,774676 daily views
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SD
Sean Donnellan
as Ben 10,000 / Eon (voice) · 1 ep
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Ben 10: Ultimate Alien Stats
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