Cast and Crew of Ben 10: Ultimate Alien

Ben 10: Ultimate Alien

With his secret identity now revealed to the world, Ben Tennyson continues to fight evil as a superhero with the help of the newly acquired Ultimatrix.

Main Cast of Ben 10: Ultimate Alien

Yuri Lowenthal as Ben Tennyson (voice)

Yuri Lowenthal

Ben Tennyson (voice)
Yuri Lowenthal (born March 5, 1971; Alliance, Ohio) is a voice actor that has voiced several anime and video game...
Ashley Johnson as Gwen Tennyson (voice)

Ashley Johnson

Gwen Tennyson (voice)
Ashley Suzanne Johnson (born August 9, 1983) is an American actress. She is best known for her work as a voice...
Greg Cipes as Kevin Levin (voice)

Greg Cipes

Kevin Levin (voice)
Gregory Michael Cipes (born January 4, 1980) is an American voice and film actor. He is also a singer, musician,...
Dee Bradley Baker as Humungosaur (voice)

Dee Bradley Baker

Humungosaur (voice)
Dee Bradley Baker (born August 31, 1962) is an American voice actor. Noted as his long-running-role as Squilliam...

Secondary Cast of Ben 10: Ultimate Alien

Chris Pratt as Cooper (voice)

Chris Pratt

Cooper (voice)
Powers Boothe as Sunder (voice)

Powers Boothe

Sunder (voice)
Peter Stormare as King Xarion / King Viktor (voice)

Peter Stormare

King Xarion / King Viktor (voice)
Beth Littleford as Sandra Tennyson (voice)

Beth Littleford

Sandra Tennyson (voice)
Greg Ellis as Prince Gyula / Cyborg #2 (voice)

Greg Ellis

Prince Gyula / Cyborg #2 (voice) , Dagonet / Reporter Chet Rigby (voice)
Scott Menville as J.T. (voice)

Scott Menville

J.T. (voice) , Jimmy / J.T. / Pilot 2 (voice) , Jimmy Jones (voice)
J.K. Simmons as Magister Gilhil / Plumber (voice)

J.K. Simmons

Magister Gilhil / Plumber (voice)
Fred Tatasciore as Foreman / Surgeon / Hammer (voice)

Fred Tatasciore

Foreman / Surgeon / Hammer (voice) , Staradisimus / Forever Knight #3 (voice) , Quince / Robot Guard (voice)
Nicholas Guest as Simons / Worker / Guest (voice)

Nicholas Guest

Simons / Worker / Guest (voice)
Peter MacNicol as Oliver / Forever Knight #1 (voice)

Peter MacNicol

Oliver / Forever Knight #1 (voice)
Matt Levin as Cash (voice)

Matt Levin

Cash (voice)
Tara Strong as Serena / Young Ben Tennyson (voice)

Tara Strong

Serena / Young Ben Tennyson (voice)
Kevin Michael Richardson as Magister Pyke (voice)

Kevin Michael Richardson

Magister Pyke (voice) , Kwarrel (voice)
Xander Berkeley as Warden Morgg / Trukk (voice)

Xander Berkeley

Warden Morgg / Trukk (voice)
Brian George as Victor Valadis / Janitor (voice)

Brian George

Victor Valadis / Janitor (voice)
Miguel Ferrer as Magister Hulka / Alpha #4 (voice)

Miguel Ferrer

Magister Hulka / Alpha #4 (voice)
Rob Paulsen as Rhomboid Vreedle / Magister Patelliday (voice)

Rob Paulsen

Rhomboid Vreedle / Magister Patelliday (voice) , Technician / Rhomboid Vreedle / Engineer #2 (voice) , Baz-El / Forever Knight #1 / Churl #4 (voice)
Charlie Schlatter as Tack / Plumber (voice)

Charlie Schlatter

Tack / Plumber (voice)
Olivia Hack as Emily (voice)

Olivia Hack

Emily (voice)
Jason Marsden as Antonio (voice)

Jason Marsden

Antonio (voice) , Young Max Tennyson (voice)
Paul Eiding as Max Tennyson / Guard #1 / Guard #2 (voice)

Paul Eiding

Max Tennyson / Guard #1 / Guard #2 (voice)
David McCallum as Professor Paradox (voice)

David McCallum

Professor Paradox (voice)
Juliet Landau as Fritz (voice)

Juliet Landau

Fritz (voice) , Verdona Tennyson / Waitress (voice) , Natalie Tennyson / Melinda (voice)
James Arnold Taylor as Plumber Officer / Brannigan / Kolar (voice)

James Arnold Taylor

Plumber Officer / Brannigan / Kolar (voice) , Announcer / Fake Vilgax / Fridge (voice)
Adam Wylie as Pierce / Forever Knight #3 (voice)

Adam Wylie

Pierce / Forever Knight #3 (voice)
Molly C. Quinn as Eunice / Computer (voice)

Molly C. Quinn

Eunice / Computer (voice)
Diedrich Bader as Simian (voice)

Diedrich Bader

Simian (voice)
Jon Polito as Mizaru (voice)

Jon Polito

Mizaru (voice)
Dwight Schultz as Sheriff / Dr. Animo (voice)

Dwight Schultz

Sheriff / Dr. Animo (voice) , Dr. Animo / Teacher #2 (voice)
Alexander Polinsky as Argit (voice)

Alexander Polinsky

Argit (voice)
Tia Texada as Elena Validus (voice)

Tia Texada

Elena Validus (voice)
Keone Young as Julie's Dad / Repair Man / Cop (voice)

Keone Young

Julie's Dad / Repair Man / Cop (voice)
Yeni Alvarez as Dr. Borges (voice)

Yeni Alvarez

Dr. Borges (voice)
Bill Mumy as Agent Bryson (voice)

Bill Mumy

Agent Bryson (voice)
Vicki Lewis as Agent Locke (voice)

Vicki Lewis

Agent Locke (voice)
Peter Renaday as Old George (voice)

Peter Renaday

Old George (voice) , Sir George (voice)
Diane Delano as Ma Vreedle / Pretty Boy Vreedle (voice)

Diane Delano

Ma Vreedle / Pretty Boy Vreedle (voice)
Jeff Bennett as Magister Labrid / Major General (voice)

Jeff Bennett

Magister Labrid / Major General (voice) , Pops Vreedle / Jailer (voice) , Major Domo / Hugh (voice)
Robin Atkin Downes as Sir Cyrus / Additional Voices (voice)

Robin Atkin Downes

Sir Cyrus / Additional Voices (voice)
Richard Doyle as Driscoll / Additional Voices (voice)

Richard Doyle

Driscoll / Additional Voices (voice)
Khary Payton as Hex (voice)

Khary Payton

Hex (voice)
Kari Wahlgren as Charmcaster (voice)

Kari Wahlgren

Charmcaster (voice)
Christopher McDonald as Captain Nemesis (voice)

Christopher McDonald

Captain Nemesis (voice)
Wil Wheaton as Mike Morningstar / Darkstar (voice)

Wil Wheaton

Mike Morningstar / Darkstar (voice)
Marianne Muellerleile as Maureen (voice)

Marianne Muellerleile

Maureen (voice)
Tara Platt as Jennifer Nocturne (voice)

Tara Platt

Jennifer Nocturne (voice)
Danny Jacobs as Captain / Police Dispatch / Dr. Pervis (voice)

Danny Jacobs

Captain / Police Dispatch / Dr. Pervis (voice)
Patrick Cavanaugh as Winston / Esoterica / Additional Voices (voice)

Patrick Cavanaugh

Winston / Esoterica / Additional Voices (voice)
James Remar as Vilgax (voice)

James Remar

Vilgax (voice)
John DiMaggio as Trash Monster / Colonel Rozum / Additional Voices (voice)

John DiMaggio

Trash Monster / Colonel Rozum / Additional Voices (voice) , Swamps / Rath Albedo / V.O. Announcer (voice) , Spellbinder / Addwaitya / Diagon (voice) , Foreverduke838 (voice) , Conduit Edwards / Carnival Barker (voice) , Addwaitya / Aggregor / Faint Voice (voice) , Young Four Arms / Aggregor (voice) , Magister Coronach / Octagon Vreedle (voice) , Will Harangue / Rath (voice) , Forever Knight #2 / Rath / TV Reporter (voice) , Plumber / Aggregor (voice) , Audience Member / Will Harangue / Rath (voice) , Ultimate Aggregor / Volann Commander (voice) , Rath / Conduit Edwards / Diagon (voice) , Diagon (voice) , Will Harangue / Octagon Vreedle (voice) , Vulkanus / Rath (voice) , Aggregor (voice)
Jim Piddock as King Urien / Color Commentator / Chair Umpire (voice)

Jim Piddock

King Urien / Color Commentator / Chair Umpire (voice)
Vyvan Pham as Mrs. Jones (voice)

Vyvan Pham

Mrs. Jones (voice) , Erin / Julie Yamamoto (voice) , Julie Yamamoto (voice) , Julie Yamamoto / Ship (voice) , Julie Yamamoto / Computer Voice (voice)
Zeno Robinson as Alan Albright / Heatblast (voice)

Zeno Robinson

Alan Albright / Heatblast (voice)
Tress MacNeille as Zennith (voice)

Tress MacNeille

Zennith (voice)
Sean Donnellan as Ben 10,000 / Eon (voice)

Sean Donnellan

Ben 10,000 / Eon (voice) , Cameraman / Thug / Tech (voice)

Crew of Ben 10: Ultimate Alien

Full backstage crew list →