In the not-too-distant future, a young boy travels to an alien world to find his father and learn of his destiny.
| Actor | Role |
|---|---|
 Mark HamillSimon Weir (voice) | Simon Weir (voice) |
 Christopher Rodriguez MarquetteJac Weir (voice) | Jac Weir (voice) |
 Peri GilpinCaroline Weir (voice) | Caroline Weir (voice) |
 Kevin McDonaldAgent Po (voice) | Agent Po (voice) |
 Jonathan Taylor ThomasPrince Ragis (voice) | Prince Ragis (voice) |
 Michael DornKing Tor (voice) | King Tor (voice) |
 Dee Bradley BakerTalking Head (voice) | Talking Head (voice) |
 Michael McShaneHymo (voice) | Hymo (voice) |
 John DiMaggioBodkus (voice) | Bodkus (voice) |
 John DeMitaGuard (voice) | Guard (voice) |
 Phil ProctorRebel (voice) | Rebel (voice) |
 Jack FletcherSoldier (voice) | Soldier (voice) |
 Michelle RuffYoung Jac (voice) | Young Jac (voice) |
 Candi MiloAdditional Voices (voice) | Additional Voices (voice) |
 Dave WittenbergAdditional Voices (voice) | Additional Voices (voice) |
 Lex LangAdditional Voices (voice) | Additional Voices (voice) |
 Richard EpcarAdditional Voices (voice) | Additional Voices (voice) |
 Steve BlumAdditional Voices (voice) | Additional Voices (voice) |