After visiting his father in Arkham Sanitarium, young Howard Lovecraft accidentally uses the legendary Necronomicon to open a portal to a strange frozen world filled with horrifying creatures and a great adventure.
| Actor | Role |
|---|---|
 Kiefer O'ReillyHoward Lovecraft / Davik (voice) | Howard Lovecraft / Davik (voice) |
| MMichelle MyersSarah Lovecraft (voice) | Sarah Lovecraft (voice) |
 Christopher PlummerDr. West (voice) | Dr. West (voice) |
 Tyler NicolWinfield Lovecraft (voice) | Winfield Lovecraft (voice) |
 Alison WandzuraMary Lovecraft (voice) | Mary Lovecraft (voice) |
| SSean Patrick O'ReillySpot (voice) | Spot (voice) |
| SSummer O'ReillyGotha (voice) | Gotha (voice) |
| PPhoenix O'ReillyTwi'i (voice) | Twi'i (voice) |
| HHarmony O'ReillyInnes (voice) | Innes (voice) |
 Scott McNeilIce Govlin 'Barry' / Govlins (voice) | Ice Govlin 'Barry' / Govlins (voice) |
 Jane CurtinAlgid Bunk (voice) | Algid Bunk (voice) |
 Doug BradleyThe Envoy (Nyarlathotep) (voice) | The Envoy (Nyarlathotep) (voice) |
 Ron PerlmanShoggoth (voice) | Shoggoth (voice) |