A little troll prince escapes his kingdom, perched atop a tall mountain in Norway, for the human world, where a family teaches him the true meaning of Christmas.
| Actor | Role |
|---|---|
 Ami FosterKristi (voice) | Kristi (voice) |
 Danny CookseyCrown Prince Bu (voice) | Crown Prince Bu (voice) |
 Vincent PriceKing Ulvik (Right Head) / Kristi and Sonja's Father (voice) | King Ulvik (Right Head) / Kristi and Sonja's Father (voice) |
 Jonathan WintersKing Ulvik (Left Head) (voice) | King Ulvik (Left Head) (voice) |
 Don KnottsProfessor Nidaros (voice) | Professor Nidaros (voice) |
 Cloris LeachmanQueen Sirena (voice) | Queen Sirena (voice) |
 Charlie AdlerStav (voice) | Stav (voice) |
 Michael BellRibo / Krill (voice) | Ribo / Krill (voice) |
 William ChristopherBjørn (voice) | Bjørn (voice) |
 Laurie FasoPrince Borch (Left Head) (voice) | Prince Borch (Left Head) (voice) |
| CChristina LangeSonja (voice) | Sonja (voice) |
 Rob PaulsenPrince Borch (Right Head) (voice) | Prince Borch (Right Head) (voice) |
 Neil RossPrince Prag (Right Head) (voice) | Prince Prag (Right Head) (voice) |
 B.J. WardBjørn's Wife (voice) | Bjørn's Wife (voice) |
 Frank WelkerPrince Prag (Left Head) (voice) | Prince Prag (Left Head) (voice) |
| AAlvy DormanMalfred (voice) | Malfred (voice) |