Science Fiction

Science Fiction

Ben 10 / Generator Rex: Heroes United

November 25, 2011
Directed by
Chris Graham

Ben Tennyson falls through a wormhole and encounters Rex. The two heroes must unite against a foe that can absorb their powers.

fight

extraterrestrial technology

transformation

cartoon

teen superhero

+1 more

Last Updated: January 2, 2026

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Cast

Daryl Sabara as Rex Salazar (voice)

Daryl Sabara

Rex Salazar (voice)

Yuri Lowenthal as Ben Tennyson/Upgrade (voice)

Yuri Lowenthal

Ben Tennyson/Upgrade (voice)

Wally Kurth as Agent Six (voice)

Wally Kurth

Agent Six (voice)

Grey DeLisle as Dr. Holiday (voice)

Grey DeLisle

Dr. Holiday (voice)

John DiMaggio as Bobo Haha/Rath (voice)

John DiMaggio

Bobo Haha/Rath (voice)

J.K. Simmons as White Knight (voice)

J.K. Simmons

White Knight (voice)

Michael Emerson as Alpha Nanite (voice)

Michael Emerson

Alpha Nanite (voice)

Jennifer Hale as Black Knight (voice)

Jennifer Hale

Black Knight (voice)

Freddy Rodríguez as Ceaser Salazar (voice)

Freddy Rodríguez

Ceaser Salazar (voice)

Dee Bradley Baker as Humungosaur/Diamondhead/Lodestar/Big Chill/Upchuck (voice)

Dee Bradley Baker

Humungosaur/Diamondhead/Lodestar/Big Chill/Upchuck (voice)

David Kaye as Shocksquatch (voice)

David Kaye

Shocksquatch (voice)

Ben 10 Ultimate Alien Generator Rex Hero United Promo

Ben 10 Ultimate Alien Generator Rex Hero United Promo

Image Gallery

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