Kiefer O'Reilly
Howard Lovecraft (Voice)
Kiefer O'Reilly
Howard Lovecraft (Voice)
Jeffrey Combs
H.P. Lovecraft (voice)
Tyler Nicol
Winfield Lovecraft (voice)
Michelle O'Reilly
Sarah Lovecraft (voice)
Sean Patrick O'Reilly
Spot / Cthulhu (voice)
Alison Wandzura
Mary Lovecraft (voice)
Mark Hamill
Dr. Henry Armitage (voice)
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)
Summer O'Reilly
Gotha (voice)
Harmony O'Reilly
Innes (voice)
Phoenix O'Reilly
Twi'i (voice)
Saumik Chaudhuri
Compositing Artist
Bruce Brown
Writer
Thomas Boatwright
Writer
Erik Fokkens
Writer
Dwight MacPherson
Writer
E.T. Dollman
Writer
H.P. Lovecraft
Writer
Casey Jones
Associate Producer
Sean Patrick O'Reilly
Producer
Reid Hendry
Sound Effects Editor
Billy Zhao
Animation
Rob Neilson
Colorist
Camden Filtness
Motion Actor
Sean Patrick O'Reilly
Director
Sean Patrick O'Reilly
Writer
George Streicher
Original Music Composer