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 Robin Atkin Downes The Master Voice Adriana Barraza Guadalupe Elizalde Guest Star Inga Cadranel Diane Parness Guest Star Francis Capra Crispin Elizalde Guest Star Roger Cross Reggie Fitzwilliam Guest Star Leslie Hope Joan Luss Guest Star Daniel Kash Dr. Everett Barnes Guest Star Regina King Ruby Wain Guest Star Robert Maillet The Master Guest Star Drew Nelson Matt Sayles Guest Star Jonathan Potts Captain Doyle Redfern 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 Joe Pingue Caldwell Guest Star Lindsay Owen Pierre Det. Marc Weber Guest Star Jean Pearson Germaine Guest Star Jess Salgueiro Sherry Guest Star Jacqueline Byers Cleo Guest Star Peter Spence Richard Guest Star Egidio Tari NYPD Cop Guest Star Amanda Schik Mindy Guest Star Peter Williams Lang Guest Star Ali Momen Dr. William Lester Guest Star Adhemar Montagne NY1 Anchor Guest Star Cheryl Wills NY1 Anchor Guest Star Carlton Cuse Executive Producer Gary Ungar Executive Producer David Semel Director David Weddle Writer Bradley Thompson Writer Ramin Djawadi Original Music Gabriel Beristain Cinematographer