Joseph Jason Namakaeha Momoa is an American actor. He made his acting debut as Jason Ioane on the syndicated action drama series
Baywatch: Hawaii (1999â2001), which was followed by portrayals of Ronon Dex on the Syfy science fiction series
Stargate Atlantis (2005â2009), and Khal Drogo in the first two seasons of the HBO fantasy drama series
Game of Thrones (2011â2012). He went on to play the lead roles in the Discovery Channel historical drama series
Frontier (2016â2018) and the Apple TV+ science fiction series
See (2019â2022).