Joseph Jason Namakaeha Momoa born August 1, 1979 is an American actor. He made his acting debut as Jason Ioane on the syndicated action drama series Baywatch: Hawaii (1999–2001), which was followed by portrayals of Ronon Dex on the Syfy science fiction series Stargate Atlantis (2005–2009), and Khal Drogo in the first two seasons of the HBO fantasy drama series Game of Thrones (2011–2012). He went on to play the lead roles in the Discovery Channel historical drama series Frontier (2016–2018) and the Apple TV+ science fiction series See (2019–2022).

From 2016 to 2023, Momoa portrayed Aquaman in the DC Extended Universe (DCEU), primarily in the films Justice League (2017), Aquaman (2018), and Aquaman and the Lost Kingdom (2023), with cameo appearances in other media. Momoa has also played Duncan Idaho in the science fiction film Dune (2021), and has starred in the action film Fast X (2023).