Goran Višnjić (born September 9, 1972) is a Croatian-born American actor who has appeared in American and British films and TV. He is best known for his role as Dr. Luka Kovač on the hit television series ER. He's also known for his roles as Erik the Red on the Netflix series Vikings: Valhalla, Garcia Flynn on NBC's Timeless, John Woods on CBS's Extant, Marco Costanteon NBC's Crossing Lines, Nicholae Schiller on ABC's Red Widow, Dragan Armansky in The Girl with the Dragon Tattoo (2011), voice of...