Characters played by Kiefer O'Reilly
Howard Lovecraft
Characters played by Jeffrey Combs
H.P. Lovecraft
Characters played by Tyler Nicol
Winfield Lovecraft
Characters played by Michelle O'Reilly
Sarah Lovecraft
Characters played by Sean Patrick O'Reilly
Spot
Cthulhu
Characters played by Alison Wandzura
Mary Lovecraft
Characters played by Mark Hamill
Dr. Henry Armitage
Characters played by Vijary Vaibhav Saini
Professor Jaswant Atwood
Characters played by Ashleigh Ball
Ellen Ellery
Characters played by Scott McNeil
Hamish Rice
Govlins
Characters played by Nick Wolfhard
William Dyer
Characters played by Christopher Plummer
Dr. Jeffrey West
Characters played by Finn Wolfhard
Herbert West
Characters played by Doug Bradley
Nyarlathotep
Characters played by Summer O'Reilly
Gotha
Characters played by Harmony O'Reilly
Innes
Characters played by Phoenix O'Reilly
Twi'i