Dr. Ephraim Goodweather
Corey Stoll
Professor Abraham Setrakian
David Bradley
Dr. Nora Martinez
Mía Maestro
Vasiliy Fet
Kevin Durand
Kelly Goodweather
Natalie Brown
Augustin "Gus" Elizalde
Miguel Gomez
Thomas Eichhorst
Richard Sammel
Eldritch Palmer
Jonathan Hyde
The Master / Jusef Sardu
Robert Maillet
Zack Goodweather
Max Charles
Gabriel Bolivar / The Master
Jack Kesy
Dutch Velders
Ruta Gedmintas
The Master (voice)
Robin Atkin Downes
Crispin
Francis Capra
Mr. Fitzwilliam
Roger R. Cross*
Mr. Quinlan
Rupert Penry-Jones
Ruby Wain
Regina King
Sylvia Kent
Melanie Merkosky*
Jim Kent
Sean Astin
Justine Feraldo
Samantha Mathis
Strigoi
Anthony Grant Lake
Reggie Fitzwilliam
Roger Cross
Angel Guzman Hurtado
Joaquín Cosío
Alonso Creem
Jamie Hector
Sanjay Desai
Cas Anvar
Zach Goodweather
Ben Hyland
Coco Marchand
Lizzie Brocheré
Frank Kowalski
Paulino Nunes
Roman
K. C. Collins
Marcus
Dewshane Williams
Dr. Everett Barnes
Daniel Kash
Guadalupe Elizalde
Adriana Barraza
Abraham (Young Setrakian)
Jim Watson
Matt Sayles
Drew Nelson
Mariela Martinez
Anne Betancourt
Mayor George Lyle
Ron Canada
Street Mongrel
Troy James
Alex Green
Angel Parker
Abby
Jocelyn Hudon
Ansel Barbour
Nikolai Witschl
The Ancient
Doug Jones