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House of the Dragon expands cast for season 3

April 24, 2025 by Ricky Church

With production having begun on the third season of House of the Dragon, HBO has announced further casting news as the Targaryen civil war, better known as the Dance of the Dragons, begins in earnest.

Joining the season is Tom Cullen (The Gold), Joplin Sibtain (Andor) and Barry Sloane (The Bay). The join fellow newcomers Tommy Flanagan, Dan Fogler and James Norton to the cast of the Game of Thrones prequel.

Cullen will play Ser Luthor Largent, the captain of Kings Landing’s City Watch who remains loyal to Prince Daemon. Sibtain will be Ser ‘Bold’ Jon Roxton, a knight fighting for the Greens, and Sloane as Ser Adrian Redfort, a member of Rhaenyra’s Queensguard.

With the Targaryen civil war now in full swing at the conclusion of the second season, we’ll be sure to see many more characters, battles and complications for both families as the war rages on. We’ll have to wait for more information on who else is joining the series now that season three has begun filming.

Based on George R.R. Martin’s “Fire & Blood,” the series, set 200 years before the events of “Game of Thrones,” tells the story of House Targaryen. Following King Aegon II’s coronation and the death of Queen Rhaenyra’s son, House Targaryen is divided in two. In King’s Landing, Aegon II rules from the Iron Throne, supported by Alicent and the Green Council, under the protection of the largest dragon in Westeros. From exile on Dragonstone, Queen Rhaenyra and her Black Council consider their next move. Civil war looms as both sides seek support from the great houses of Westeros, ultimately amassing armies — and dragons.

Season 2 stars Matt Smith, Emma D’Arcy, Olivia Cooke, Rhys Ifans, Steve Toussaint, Eve Best, Fabien Frankel, Matthew Needham, Sonoya Mizuno, Tom Glynn-Carney, Ewan Mitchell, Harry Collett, Bethany Antonia, Phoebe Campbell, Phia Saban and Jefferson Hall. Additional Season Two cast includes Abubakar Salim, Gayle Rankin, Freddie Fox, Simon Russell Beale, Clinton Liberty, Jamie Kenna, Kieran Bew, Tom Bennett, Tom Taylor, and Vincent Regan.

Ricky Church – Follow me on Bluesky for more movie news and nerd talk.

 

Filed Under: News, Ricky Church, Television Tagged With: Barry Sloane, game of trhones, HBO, house of the dragon, Joplin Sibtain, Tom Cullen

About Ricky Church

Ricky Church is a Canadian screenwriter whose hobbies include making stop-motion animation on his YouTube channel Tricky Entertainment. You can follow him for more nerd thoughts on his Bluesky and Threads accounts.

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