Kiefer O'Reilly character Howard Lovecraft (Voice)
Jeffrey Combs character King Abdul (voice)
Tyler Nicol character Winfield Lovecraft (Voice)
Michelle O'Reilly character Sara Lovecraft (Voice)
Sean Patrick O'Reilly character Spot / Cthulhu (voice)
Alison Wandzura character Mary Lovecraft (voice)
Mark Hamill character Dr. Henry Armitage (Voice)
Vijary Vaibhav Saini character Professor Jaswant Atwood (voice)
Ashleigh Ball character Ellen Ellery (Voice)
Scott McNeil character Hamish Rice (Voice)
Nick Wolfhard character William Dyer (voice)
Christopher Plummer character Dr. West (Voice)
Finn Wolfhard character Herbert West (voice)
Doug Bradley character Nyarlathotep (Voice)
Ron Perlman character Shoggoth (voice)
Summer O'Reilly character Gotha (voice)
Harmony O'Reilly character Innes (voice)
Phoenix O'Reilly character Twi'i (voice)
