 Evan Rachel WoodMala (voice) | Mala (voice) |
 Brian CoxGeneral Hemmer (voice) | General Hemmer (voice) |
 James GarnerDoron (voice) | Doron (voice) |
 Chris EvansStewart Stanton (voice) | Stewart Stanton (voice) |
 Danny GloverPresident Chen (voice) | President Chen (voice) |
 Amanda PeetMaria Montez (voice) | Maria Montez (voice) |
 David CrossGiddy (voice) | Giddy (voice) |
 Justin LongSenn (voice) | Senn (voice) |
 Dennis QuaidRoven (voice) | Roven (voice) |
 Luke WilsonJim Stanton (voice) | Jim Stanton (voice) |
 Rosanna ArquetteProfessor Lina (voice) | Professor Lina (voice) |
 Beverly D'AngeloInterrogator Wright (voice) | Interrogator Wright (voice) |
 Danny TrejoElder Barum (voice) | Elder Barum (voice) |
 Ron PerlmanElder Vorin (voice) | Elder Vorin (voice) |
 Mark HamillElder Orin (voice) | Elder Orin (voice) |
 Brooke BloomTechnician Quinn (voice) | Technician Quinn (voice) |
| TTom ConnollyTechnician Williams (voice) | Technician Williams (voice) |
 Michael ScovottiLt. Evans (voice) | Lt. Evans (voice) |
 Chad AllenTerrian Scientist (voice) | Terrian Scientist (voice) |
 Timi PrulhiereTerrian 1 (voice) | Terrian 1 (voice) |
 Bill BirchTerrian 2 (voice) | Terrian 2 (voice) |
 Laraine NewmanToy Merchant (voice) | Toy Merchant (voice) |
 Phil LaMarrFabric Merchant (voice) | Fabric Merchant (voice) |
 David KrumholtzTerrian Commander (voice) | Terrian Commander (voice) |
 James DevotiColonel Wheeler (voice) | Colonel Wheeler (voice) |
 Brian D. JohnsonLt. Johnson (voice) | Lt. Johnson (voice) |
 Alec HoldenTulo (voice) | Tulo (voice) |
 Masam HoldenTumi (voice) | Tumi (voice) |
 Vanessa JohanssonSora (voice) | Sora (voice) |
 Zoë Bleu SidelKima (voice) | Kima (voice) |
