Howard Lovecraft (Voice)
Kiefer O'Reilly
H.P. Lovecraft (voice)
Jeffrey Combs
William Dyer (voice)
Nick Wolfhard
Dr. Jeffrey West (voice)
Christopher Plummer
Herbert West (voice)
Finn Wolfhard
Nyarlathotep (voice)
Doug Bradley
Gotha (voice)
Summer O'Reilly
Innes (voice)
Harmony O'Reilly
Twi'i (voice)
Phoenix O'Reilly
Winfield Lovecraft (voice)
Tyler Nicol
Sarah Lovecraft (voice)
Michelle O'Reilly
Spot / Cthulhu (voice)
Sean Patrick O'Reilly
Mary Lovecraft (voice)
Alison Wandzura
Dr. Henry Armitage (voice)
Mark Hamill
Professor Jaswant Atwood (voice)
Vijary Vaibhav Saini
Ellen Ellery (voice)
Ashleigh Ball
Hamish Rice / Govlins (voice)
Scott McNeil
Writer
H.P. Lovecraft
Motion Actor
Camden Filtness
Compositing Artist
Saumik Chaudhuri
Dwight MacPherson
E.T. Dollman
Bruce Brown
Sound Effects Editor
Reid Hendry
Animation
Billy Zhao
Colorist
Rob Neilson
Associate Producer
Casey Jones
Music
George Streicher
Thomas Boatwright
Erik Fokkens
Producer
Director