Jason Momoa (born 1 August 1979) is an American actor and model. He is best-known for playing the role of Ronon Dex for four years on Stargate Atlantis. He is also playing the title role in Conan, a new film depiction of the Conan the Barbarian character previously made famous by Arnold Schwarznegger.
In Game of Thrones Momoa played Khal Drogo. He confirmed at a convention in New Zealand that he would be playing the role on 17 October 2009. He was the last actor cast for the pilot, although not the last announced.