Evan Rachel Wood

Character: Mala (voice)

Brian Cox

Character: General Hemmer (voice)

James Garner

Character: Doron (voice)

Chris Evans

Character: Stewart Stanton (voice)

Danny Glover

Character: President Chen (voice)

Amanda Peet

Character: Maria Montez (voice)

David Cross

Character: Giddy (voice)

Justin Long

Character: Senn (voice)

Dennis Quaid

Character: Roven (voice)

Luke Wilson

Character: Jim Stanton (voice)

Rosanna Arquette

Character: Professor Lina (voice)

Beverly D'Angelo

Character: Interrogator Wright (voice)

Danny Trejo

Character: Elder Barum (voice)

Ron Perlman

Character: Elder Vorin (voice)

Mark Hamill

Character: Elder Orin (voice)

Brooke Bloom

Character: Technician Quinn (voice)

Tom Connolly

Character: Technician Williams (voice)

Michael Scovotti

Character: Lt. Evans (voice)

Chad Allen

Character: Terrian Scientist (voice)

Timi Prulhiere

Character: Terrian 1 (voice)

Bill Birch

Character: Terrian 2 (voice)

Laraine Newman

Character: Toy Merchant (voice)

Phil LaMarr

Character: Fabric Merchant (voice)

David Krumholtz

Character: Terrian Commander (voice)

James Devoti

Character: Colonel Wheeler (voice) (as Jim Devoti)

Brian D. Johnson

Character: Lt. Johnson (voice)

Alec Holden

Character: Tulo (voice)

Masam Holden

Character: Tumi (voice)

Vanessa Johansson

Character: Sora (voice)

Zoë Bleu Sidel

Character: Kima (voice)