Karl-Heinz Urban (born 7 June 1972) is a New Zealand actor. His career began with appearances in New Zealand films and TV series such as Xena: Warrior Princess. His first Hollywood role was in the 2002 horror film Ghost Ship. Since then, he has appeared in many high-profile movies, including the second and third installments of The Lord of the Rings trilogy in the role of Éomer. He has also portrayed Leonard McCoy in the Star Trek reboot film series, Vaako in the Riddick film series, and Judge Dredd in Dredd. Since 2019, he has starred as Billy Butcher in Amazon's web television series The Boys.