Kiefer O'Reilly

Howard Lovecraft (Voice)

Jeffrey Combs

H.P. Lovecraft (voice)

Tyler Nicol

Winfield Lovecraft (voice)

Alison Wandzura

Mary Lovecraft (voice)

Mark Hamill

Dr. Henry Armitage (voice)

Ashleigh Ball

Ellen Ellery (voice)

Scott McNeil

Hamish Rice / Govlins (voice)

Nick Wolfhard

William Dyer (voice)

Christopher Plummer

Dr. Jeffrey West (voice)

Finn Wolfhard

Herbert West (voice)

Doug Bradley

Nyarlathotep (voice)