Ben 10: Alien Swarm (2009)

Director: Alex Winter

Ben and a mysterious girl from his past must prevent an alien threat from destroying the world.

Cast

Ryan Kelley

Ben Tennyson

Galadriel Stineman

Gwen Tennyson

Nathan Keyes

Kevin E. Levin

Alyssa Diaz

Elena Validus

Herbert Siguenza

Victor Validus

Barry Corbin

Grandpa Max Tennyson

Dee Bradley Baker

Big Chill / Humongousaur (voice)

Alex Winter

Nanomech (voice)

Wendy Cutler

Alien Chip Queen (voice)

Joyce Kurtz

Computer (voice)