Yuri Lowenthal
Ben Tennyson (voice)
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.
Ben 10: Ultimate Alien
Cast
Ashley Johnson
Gwen Tennyson (voice)
Greg Cipes
Kevin Levin (voice)
Dee Bradley Baker
Humungosaur (voice)
Jeff Bennett
Azmuth (voice)
Chris Pratt
Cooper (voice)
Powers Boothe
Sunder (voice)
Peter Stormare
King Xarion / King Viktor (voice)
Beth Littleford
Sandra Tennyson (voice)
Fred Tatasciore
Staradisimus / Forever Knight #3 (voice)
Greg Ellis
Prince Gyula / Cyborg #2 (voice)
J.K. Simmons
Magister Gilhil / Plumber (voice)
Scott Menville
Jimmy Jones (voice)
Nicholas Guest
Simons / Worker / Guest (voice)
Peter MacNicol
Oliver / Forever Knight #1 (voice)
Matt Levin
Cash (voice)
Tara Strong
Serena / Young Ben Tennyson (voice)
Kevin Michael Richardson
Magister Pyke (voice)
