Guillermo del Toro Creator, Executive Producer, Writer Chuck Hogan Creator, Executive Producer, Writer 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 Adriana Barraza Guadalupe Elizalde Guest Star Francis Capra Crispin Elizalde Guest Star Roger Cross Reggie Fitzwilliam Guest Star Ruta Gedmintas Dutch Velders Guest Star Jamie Hector Alonso Creem Guest Star Alex Paxton-Beesley Ann-Marie Barbour Guest Star Maria Ricossa Margaret Pierson Guest Star Nikolai Witschl Ansel Barbour Guest Star Steven McCarthy Gary Arnot Guest Star Isabelle Nélisse Emma Arnot Guest Star Shawn Lawrence Dr. Moise Guest Star Pedro Miguel Arce Felix Guest Star Kingsley Ngadi Nigerian Guest Star Donald Burda Kevin Farrell Guest Star Darrin Baker Trip Taylor Guest Star Evan Robinson Benjy Barbour Guest Star Claire Robinson Haily Barbour Guest Star Tino Demitro Parking Attendant Guest Star Carlton Cuse Executive Producer Gary Ungar Executive Producer Keith Gordon Director Regina Corrado Writer Ramin Djawadi Original Music Miroslaw Baszak Cinematographer