Kiefer O'Reilly
Howard Lovecraft / Davik (voice)
Michelle O'Reilly
Michelle Lovecraft (voice)
Summer O'Reilly
Gotha (voice)
Phoenix O'Reilly
Twi'i (voice)
Harmony O'Reilly
Innes (voice)
Scott McNeil
Govlins / Ice Govlin 'Barry' / Dagon (voice)
Sean Patrick O'Reilly
Spot (voice)
Jeffrey Combs
King Abdul (voice)
Ron Perlman
Shoggoth (voice)
Doug Bradley
The Envoy / Nyarlathotep (voice)
Mark Hamill
Dr. Henry Armitage (voice)
Tyler Nicol
Winfield Lovecraft (voice)
Christopher Plummer
Dr. West (voice)