David Bradley Professor Abraham Setrakian Actor Corey Stoll Dr. Ephraim Goodweather Actor Kevin Durand Vasiliy Fet Actor Mía Maestro Dr. Nora Martinez Actor Richard Sammel Thomas Eichhorst Actor Natalie Brown Kelly Goodweather Actor Jonathan Hyde Eldritch Palmer Actor Sean Astin Jim Kent Actor Miguel Gomez Augustin "Gus" Elizalde Actor Ben Hyland Zack Goodweather Actor Jack Kesy Gabriel Bolivar Actor Guillermo del Toro Executive Producer Chuck Hogan Executive Producer Carlton Cuse Executive Producer Gary Ungar Executive Producer