Name	Known for
Matt Smith Prince Daemon Targaryen Prince Daemon Targaryen See fewer	Doctor Who (2005)
Olivia Cooke Queen Alicent Hightower Queen Alicent Hightower See fewer	Ready Player One (2018)
Emma D'Arcy Queen Rhaenyra Targaryen Queen Rhaenyra Targaryen See fewer	House of the Dragon (2022)
Steve Toussaint Lord Corlys 'The Sea Snake' Velaryon Lord Corlys 'The Sea Snake' Velaryon See fewer	House of the Dragon (2022)
Eve Best Princess Rhaenys Targaryen Princess Rhaenys Targaryen See fewer	The King's Speech (2010)
Graham McTavish Ser Harrold Westerling Ser Harrold Westerling See fewer	The Hobbit: An Unexpected Journey (2012)
Matthew Needham Lord Larys 'The Clubfoot' Strong Lord Larys 'The Clubfoot' Strong See fewer	House of the Dragon (2022)
Harry Collett Prince Jacaerys 'Jace' Velaryon Prince Jacaerys 'Jace' Velaryon See fewer	Dunkirk (2017)
Tom Glynn-Carney King Aegon II Targaryen King Aegon II Targaryen See fewer	Dunkirk (2017)
Ewan Mitchell Prince Aemond Targaryen Prince Aemond Targaryen See fewer	High Life (2018)
Bethany Antonia Lady Baela Targaryen Lady Baela Targaryen See fewer	House of the Dragon (2022)
Phoebe Campbell Lady Rhaena Targaryen Lady Rhaena Targaryen See fewer	House of the Dragon (2022)
Phia Saban Queen Helaena Targaryen Queen Helaena Targaryen See fewer	House of the Dragon (2022)
Sonoya Mizuno Mysaria 'The White Worm' Mysaria 'The White Worm' See fewer	Ex Machina (2014)
Freddie Fox Ser Gwayne Hightower Ser Gwayne Hightower See fewer	The Three Musketeers (2011)
Rhys Ifans Ser Otto Hightower Ser Otto Hightower See fewer	The Amazing Spider-Man (2012)
Vincent Regan Ser Rickard Thorne Ser Rickard Thorne See fewer	Snow White and the Huntsman (2012)
Fabien Frankel Ser Criston Cole Ser Criston Cole See fewer	House of the Dragon (2022)
Kieran Bew Hugh Hugh See fewer	House of the Dragon (2022)
Jefferson Hall Lord Jason Lannister / Ser Tyland Lannister Lord Jason Lannister / Ser Tyland Lannister See fewer	Tenet (2020)
Gayle Rankin Alys Rivers Alys Rivers See fewer	The Greatest Showman (2017)
Tom Taylor Lord Cregan Stark Lord Cregan Stark See fewer	The Dark Tower (2017)
Simon Russell Beale Ser Simon Strong Ser Simon Strong See fewer	The Death of Stalin (2017)
Michael Carter King Jaehaerys I Targaryen King Jaehaerys I Targaryen See fewer	Star Wars: Episode VI - Return of the Jedi (1983)
Anthony Flanagan Ser Steffon Darklyn Ser Steffon Darklyn See fewer	Life on Mars (2006)
Abubakar Salim Alyn of Hull Alyn of Hull See fewer	Assassin's Creed: Origins (2017)
Tom Bennett Ulf Ulf See fewer	House of the Dragon (2022)
Nicholas Jones Lord Bartimos Celtigar Lord Bartimos Celtigar See fewer	In the Heart of the Sea (2015)
Michelle Bonnard Brothel Madam Brothel Madam See fewer	Five Days (2007)
Paul Kennedy Lord Jasper 'Ironrod' Wylde Lord Jasper 'Ironrod' Wylde See fewer	House of the Dragon (2022)
Michael Elwyn Lord Simon Staunton Lord Simon Staunton See fewer	The Iron Lady (2011)
Jamie Kenna Ser Alfred Broome Ser Alfred Broome See fewer	Children of Men (2006)
Clinton Liberty Addam of Hull Addam of Hull See fewer	Touchdown (IV)
Darren Sinden Queens Mallister Warrior Queens Mallister Warrior See fewer	House of the Dragon (2022)
Daniel Wynes Hightower Guard Hightower Guard See fewer	House of the Dragon (2022)