Ben 10: Ultimate Alien

Yuri Lowenthal
Ben Tennyson (voice)

Ashley Johnson
Gwen Tennyson (voice)

Greg Cipes
Kevin Levin (voice)

Dee Bradley Baker
Humungosaur (voice)

John DiMaggio
Aggregor (voice) / Vulkanus / Rath (voice) / Diagon (voice) / Will Harangue / Oc...

Vyvan Pham
Julie Yamamoto / Computer Voice (voice) / Julie Yamamoto (voice) / Julie Yamamot...

Paul Eiding
Max Tennyson / Guard #1 / Guard #2 (voice)

Peter Renaday
Sir George (voice) / Old George (voice)

Scott Menville
Jimmy Jones (voice) / Jimmy / J.T. / Pilot 2 (voice) / J.T. (voice)

Juliet Landau
Natalie Tennyson / Melinda (voice) / Fritz (voice) / Verdona Tennyson / Waitress...

James Remar
Vilgax (voice)

Alexander Polinsky
Argit (voice)

Kari Wahlgren
Charmcaster (voice)

Fred Tatasciore
Staradisimus / Forever Knight #3 (voice) / Foreman / Surgeon / Hammer (voice) / ...

Rob Paulsen
Rhomboid Vreedle / Magister Patelliday (voice) / Baz-El / Forever Knight #1 / Ch...

David McCallum
Professor Paradox (voice)

Dwight Schultz
Dr. Animo / Teacher #2 (voice) / Sheriff / Dr. Animo (voice)

Jeff Bennett
Major Domo / Hugh (voice) / Magister Labrid / Major General (voice) / Pops Vreed...

Wil Wheaton
Mike Morningstar / Darkstar (voice)

Patrick Cavanaugh
Winston / Esoterica / Additional Voices (voice)