A Martian kid and his father must prevent an impending Martian attack on Earth during the Christmas season.
| Actor | Role |
|---|---|
 Cindy RobinsonKip / Mary Kate (voice) | Kip / Mary Kate (voice) |
 Dino AndradeZork / Dwight (voice) | Zork / Dwight (voice) |
 David LodgeGleeb / Santa / Martian Leader (voice) | Gleeb / Santa / Martian Leader (voice) |
| MMac GraveNed / Drang / Martian Scientist (voice) | Ned / Drang / Martian Scientist (voice) |
 R. Martin KleinOffice Manager / Martian Officer (voice) | Office Manager / Martian Officer (voice) |
 Katie LeighRoxy (voice) | Roxy (voice) |
 Dave MallowVOX / Shopper (voice) | VOX / Shopper (voice) |