Kiefer O'Reilly

as Howard Lovecraft / Davik (voice)

Michelle Myers

as Michelle Lovecraft (voice)

Summer O'Reilly

as Gotha (voice)

Phoenix O'Reilly

as Twi'i (voice)

Harmony O'Reilly

as Innes (voice)

Scott McNeil

as Govlins / Ice Govlin 'Barry' / Dagon (voice)

Sean Patrick O'Reilly

as Spot (voice)

Jeffrey Combs

as King Abdul (voice)

Ron Perlman

as Shoggoth (voice)

Doug Bradley

as The Envoy / Nyarlathotep (voice)

Mark Hamill

as Dr. Henry Armitage (voice)

Tyler Nicol

as Winfield Lovecraft (voice)

Christopher Plummer

as Dr. West (voice)