On screen
Cast
17 credited performers
Kiefer O'Reilly
Howard Lovecraft (Voice)
Jeffrey Combs
H.P. Lovecraft (voice)
Tyler Nicol
Winfield Lovecraft (voice)
Artwork unavailable
Michelle Myers
Sarah Lovecraft (voice)
Artwork unavailable
Sean Patrick O'Reilly
Spot / Cthulhu (voice)
Alison Wandzura
Mary Lovecraft (voice)
Mark Hamill
Dr. Henry Armitage (voice)
Artwork unavailable
Vijary Vaibhav Saini
Professor Jaswant Atwood (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)
Artwork unavailable
Summer O'Reilly
Gotha (voice)
Artwork unavailable
Harmony O'Reilly
Innes (voice)
Artwork unavailable
Phoenix O'Reilly
Twi'i (voice)