Originally from
Anglesey, Jones lives in
Nantgaredig. A fluent
Welsh speaker, he has appeared on various productions on the Welsh-language channel
S4C, including as a presenter of a popular fishing programme
Sgota. In 2010, he appeared in an episode of the TV series
The Tudors. Also in 2010 he appeared on British TV series
Spooks (US title
MI-5) as Russian spy Viktor Barenshik in Season 9, Episode 3. From 2012 to 2016 he appeared in the
Sky One drama-comedy series
Stella as Karl Morris, and in an episode of the BBC Two drama-comedy series
Ambassadors in 2012. In 2012, he played a CIA operative in the
Kathryn Bigelow film
Zero Dark Thirty. Jones portrayed
Atlan, King of Atlantis, in the superhero film
Justice League (2017) and the
director's cut ''
Zack Snyder's Justice League'' (2021). In April 2022, it was announced that he had been cast as Bayle Domon in the second season of
The Wheel of Time. The same year, Jones appeared as Boremund Baratheon in the HBO series
House of the Dragon. In 2024, it was announced that Jones had been cast in the four-part BBC One thriller
The Guest. He will also appear in the upcoming Sky television series
Under Salt Marsh. ==Political views==