Jason Momoa made his screen debut in the American action drama television series ‘Baywatch’ in 1999. He played the role of ‘Jason Ioane’ and remained a part of the show until it went off-air in 2001. In 2004, he made his big-screen debut in the American road comedy film ‘Johnson Family Vacation’ directed by Christopher Erskin. The film was marred by negative reviews from critics and currently holds a 6% approval rating on Rotten Tomatoes. He next appeared in television series and shows like ‘North Shore’ (2004-2005), ‘Stargate Atlantis’ (2005-2009), and ‘The Game’ (2009). In 2011, he portrayed ‘Conan’ in the American sword and sorcery film ‘Conan the Barbarian’ directed by Marcus Nispel. The film was panned by critics and failed to perform at the box office. The same year, he also joined the cast of the American fantasy drama television series ‘Game of Thrones’ created by David Benioff and D. B. Weiss. He played the role of ‘Khal Drogo’ and remained a part of the show until 2012. He next starred in films like ‘Bullet to the Head’ (2012), ‘Road to Paloma’ (2014), ‘Debug’ (2014), ‘Wolves’ (2014), ‘Batman v Superman: Dawn of Justice’ (2016), ‘Sugar Mountain’ (2016), ‘Once Upon a Time in Venice’ (2017), and ‘The Bad Batch’ (2017). In 2017, he portrayed Arthur Curry / Aquaman in the American superhero film ‘Aquaman’ directed by James Wan. The film received mixed to positive reviews from critics and was a massive box office success, grossing over $1.148 billion on a budget of $160–200 million.
In 2019, he became a part of the American science fiction drama television series ‘See’ where he grabbed the role of ‘Baba Voss.’ The series completed its second season in 2021 and its third season will premiere in 2022. He was also seen in films like ‘Gather’ (2020), ‘Zack Snyder's Justice League’ (2021), ‘Sweet Girl’ (2021), and ‘Dune’ (2021). He was last seen in the American superhero television series ‘Peacemaker’ in 2022.