Karl-Heinz Urban (born 7 June 1972) is a New Zealand actor. His career began with appearances in New Zealand films and television series such as Xena: Warrior Princess. His first Hollywood role was in the 2002 horror film Ghost Ship. Since then, he has starred in many high-profile movies, including as Éomer in two films of The Lord of the Rings trilogy (2002–2003), Vaako in two films of the Riddick film series (2004–2013), Johnny Cage in Mortal Kombat II, Dr Leonard "Bones" McCoy in the Star Trek reboot film series (2009–2016), Kirill in The Bourne Supremacy (2004), John "Reaper" Grimm in Doom (2005), Judge Dredd in Dredd (2012), Gavin Magary in Pete's Dragon (2016), and Skurge in Marvel Studios' Thor: Ragnarok (2017). In 2013, he starred in the sci-fi series Almost Human. From 2019 to 2026, he starred as Billy Butcher in Amazon Prime Video's superhero series The Boys and voiced a character in the 2022 film The Sea Beast.