House of the Dragon Cast & Characters

House of the Dragon is a HBO Sci-Fi & Fantasy / Drama / Action & Adventure series. RecapHub tracks 20 credited series regulars across 4 seasons and 26 episodes, led by Matt Smith as Prince Daemon Targaryen, Emma D'Arcy as Queen Rhaenyra Targaryen, Olivia Cooke as Queen Alicent Hightower, James Norton as Lord Ormund Hightower.

The Targaryen dynasty is at the absolute apex of its power, with more than 15 dragons under their yoke. Most empires crumble from such heights. In the case of the Targaryens, their slow fall begins when King Viserys breaks with a century of tradition by naming his daughter Rhaenyra heir to the Iron Throne.

House of the Dragon first aired on Aug 21, 2022, and the most recent season covered here aired on Jun 21, 2026. Cast credits below are aggregated across all 4 seasons.

102 guest performers have appeared in House of the Dragon, and 54 of them return in more than one episode. The most frequently returning players include Bethany Antonia as Lady Baela Targaryen, Graham McTavish as Ser Harrold Westerling, Bill Paterson as Lord Lyman Beesbury, Phoebe Campbell as Lady Rhaena Targaryen, Elliott Tittensor as Ser Erryk Cargyll, Fabien Frankel as Ser Criston Cole.

How to use this page: this is the show-level cast index — it aggregates every season. For season-specific credits, see the individual season cast pages: Season 1 · Season 2 · Season 3 · Season 4.

In-depth guides to the main characters of House of the Dragon — backstory, season-by-season arc, and key relationships.

• King Aegon II Targaryen
• Prince Aemond Targaryen
• Rhaenyra Targaryen
• Queen Alicent Hightower
• Prince Daemon Targaryen
• Ser Criston Cole
• Ser Otto Hightower

These performers appear in more than one episode of House of the Dragon. Episode counts cover every season RecapHub currently has episode data for.

• Lady Baela Targaryen — Bethany Antonia · 9 episodes · Seasons 1-2
• Ser Harrold Westerling — Graham McTavish · 9 episodes · Season 1
• Lord Lyman Beesbury — Bill Paterson · 8 episodes · Season 1
• Lady Rhaena Targaryen — Phoebe Campbell · 8 episodes · Seasons 1-2
• Ser Erryk Cargyll — Elliott Tittensor · 7 episodes · Seasons 1-2
• Ser Criston Cole — Fabien Frankel · 7 episodes · Season 2
• Alyn of Hull — Abubakar Salim · 6 episodes · Season 2
• Lord Lyonel Strong — Gavin Spokes · 6 episodes · Season 1
• Hugh — Kieran Bew · 6 episodes · Season 2
• Queen Helaena Targaryen — Phia Saban · 6 episodes · Season 2
• Grand Maester Mellos — David Horovitch · 5 episodes · Season 1
• Ser Gwayne Hightower — Freddie Fox · 5 episodes · Season 2
• Alys Rivers — Gayle Rankin · 5 episodes · Season 2
• Elinda Massey — Jordon Stevens · 5 episodes · Seasons 2-3
• Ser Arryk Cargyll — Luke Tittensor · 5 episodes · Seasons 1-2
• Lord Larys 'Clubfoot' Strong — Matthew Needham · 5 episodes · Season 1
• Lord Jasper 'Ironrod' Wylde — Paul Kennedy · 5 episodes · Seasons 1-3
• Maester Gerardys — Phil Daniels · 5 episodes · Seasons 1, 3
• Ser Steffon Darklyn — Anthony Flanagan · 4 episodes · Seasons 1-2
• Lord Oscar Tully — Archie Barnes · 4 episodes · Season 3
• Ser Adrian Redfort — Barry Sloane · 4 episodes · Season 3
• Addam of Hull — Clinton Liberty · 4 episodes · Season 2
• Queen Rhaenyra Targaryen — Emma D'Arcy · 4 episodes · Season 1
• Princess Rhaenys Targaryen — Eve Best · 4 episodes · Season 2
• Queen Alicent Hightower — Olivia Cooke · 4 episodes · Season 1
• Ser Harwin 'Breakbones' Strong — Ryan Corr · 4 episodes · Season 1
• Ulf — Tom Bennett · 4 episodes · Season 2
• Lady Jeyne Arryn — Amanda Collin · 3 episodes · Season 3
• Alysanne Blackwood — Annie Shapero · 3 episodes · Season 3
• Prince Aemond Targaryen — Ewan Mitchell · 3 episodes · Season 1

Each season below links to its episode guide and its own season cast page. "New to the credits" lists performers who were not credited in any earlier season covered here.

• Season 1 (2022) — 10 episodes, 20 credited regulars: Matt Smith as Prince Daemon Targaryen, Emma D'Arcy as Queen Rhaenyra Targaryen, Olivia Cooke as Queen Alicent Hightower, James Norton as Lord Ormund Hightower, Steve Toussaint as Lord Corlys 'The Sea Snake' Velaryon, Fabien Frankel as Ser Criston Cole, Matthew Needham as Lord Larys 'Clubfoot' Strong, Sonoya Mizuno as Mysaria 'The White Worm', Tom Glynn-Carney as King Aegon II Targaryen, Ewan Mitchell as Prince Aemond Targaryen, Harry Collett as Prince Jacaerys 'Jace' Velaryon, Phia Saban as Queen Helaena Targaryen, Bethany Antonia as Lady Baela Targaryen, Jefferson Hall as Lord Jason Lannister / Ser Tyland Lannister, Abubakar Salim as Alyn of Hull, Clinton Liberty as Addam of Hull, Phoebe Campbell as Lady Rhaena Targaryen, Kurt Egyiawan as Grand Maester Orwyle, Freddie Fox as Ser Gwayne Hightower, Gayle Rankin as Alys Rivers. New to the credits this season: Matt Smith as Prince Daemon Targaryen, Emma D'Arcy as Queen Rhaenyra Targaryen, Olivia Cooke as Queen Alicent Hightower, James Norton as Lord Ormund Hightower, Steve Toussaint as Lord Corlys 'The Sea Snake' Velaryon, Fabien Frankel as Ser Criston Cole, Matthew Needham as Lord Larys 'Clubfoot' Strong, Sonoya Mizuno as Mysaria 'The White Worm'. Season 1 cast page. Season 1 episodes.
• Season 2 (2024) — 8 episodes, 20 credited regulars: Matt Smith as Prince Daemon Targaryen, Emma D'Arcy as Queen Rhaenyra Targaryen, Olivia Cooke as Queen Alicent Hightower, James Norton as Lord Ormund Hightower, Steve Toussaint as Lord Corlys 'The Sea Snake' Velaryon, Fabien Frankel as Ser Criston Cole, Matthew Needham as Lord Larys 'Clubfoot' Strong, Sonoya Mizuno as Mysaria 'The White Worm', Tom Glynn-Carney as King Aegon II Targaryen, Ewan Mitchell as Prince Aemond Targaryen, Harry Collett as Prince Jacaerys 'Jace' Velaryon, Phia Saban as Queen Helaena Targaryen, Bethany Antonia as Lady Baela Targaryen, Jefferson Hall as Lord Jason Lannister / Ser Tyland Lannister, Abubakar Salim as Alyn of Hull, Clinton Liberty as Addam of Hull, Phoebe Campbell as Lady Rhaena Targaryen, Kurt Egyiawan as Grand Maester Orwyle, Freddie Fox as Ser Gwayne Hightower, Gayle Rankin as Alys Rivers. Season 2 cast page. Season 2 episodes.
• Season 3 (2026) — 8 episodes, 20 credited regulars: Matt Smith as Prince Daemon Targaryen, Emma D'Arcy as Queen Rhaenyra Targaryen, Olivia Cooke as Queen Alicent Hightower, James Norton as Lord Ormund Hightower, Steve Toussaint as Lord Corlys 'The Sea Snake' Velaryon, Fabien Frankel as Ser Criston Cole, Matthew Needham as Lord Larys 'Clubfoot' Strong, Sonoya Mizuno as Mysaria 'The White Worm', Tom Glynn-Carney as King Aegon II Targaryen, Ewan Mitchell as Prince Aemond Targaryen, Harry Collett as Prince Jacaerys 'Jace' Velaryon, Phia Saban as Queen Helaena Targaryen, Bethany Antonia as Lady Baela Targaryen, Jefferson Hall as Lord Jason Lannister / Ser Tyland Lannister, Abubakar Salim as Alyn of Hull, Clinton Liberty as Addam of Hull, Phoebe Campbell as Lady Rhaena Targaryen, Kurt Egyiawan as Grand Maester Orwyle, Freddie Fox as Ser Gwayne Hightower, Gayle Rankin as Alys Rivers. Season 3 cast page. Season 3 episodes.
• Season 4 — 0 episodes, 10 credited regulars: Matt Smith as Prince Daemon Targaryen, Emma D'Arcy as Queen Rhaenyra Targaryen, Olivia Cooke as Queen Alicent Hightower, James Norton as Lord Ormund Hightower, Steve Toussaint as Lord Corlys 'The Sea Snake' Velaryon, Fabien Frankel as Ser Criston Cole, Matthew Needham as Lord Larys 'Clubfoot' Strong, Sonoya Mizuno as Mysaria 'The White Worm', Tom Glynn-Carney as King Aegon II Targaryen, Ewan Mitchell as Prince Aemond Targaryen. Season 4 cast page. Season 4 episodes.

Relationships below come from RecapHub character entities and link to the matching character profiles.

• Alyn of Hull — ally: Lord Corlys The Sea Snake Velaryon (Admiral he serves)
• Alys Rivers — ally: Prince Daemon Targaryen (The prince she takes up with at Harrenhal)
• King Aegon II Targaryen — family: Queen Alicent Hightower (Mother)
• King Aegon II Targaryen — ally: Ser Criston Cole (Kingsguard champion)
• King Aegon II Targaryen — rival: Queen Rhaenyra Targaryen (Rival claimant to the throne)
• Lady Baela Targaryen — family: Prince Daemon Targaryen (Father)
• Lady Baela Targaryen — ally: Queen Rhaenyra Targaryen (Betrothed kin and queen)
• Lady Rhaena Targaryen — family: Prince Daemon Targaryen (Father)
• Lord Corlys Velaryon — family: Princess Rhaenys Targaryen (Wife (The Queen Who Never Was))
• Lord Corlys Velaryon — ally: Queen Rhaenyra Targaryen (Sworn to the Black cause)
• Lord Corlys Velaryon — rival: Ser Otto Hightower (Green court)
• Lord Larys 'Clubfoot' Strong — ally: King Aegon Ii Targaryen (King he serves and surveils)
• Lord Larys 'Clubfoot' Strong — rival: Queen Alicent Hightower (Mutual leverage - she needs him, he owns her)
• Prince Aemond Targaryen — family: King Aegon Ii Targaryen (Brother)
• Prince Aemond Targaryen — ally: Ser Criston Cole (Mentor and Green ally)
• Prince Aemond Targaryen — rival: Prince Daemon Targaryen (Rival and equal in the war)

House of the Dragon has 88 character profiles with episode-level appearance data. The most-covered characters are listed first.

• Addam of Hull — 26 episodes · supporting · Seasons 1-3
• Alyn of Hull — 26 episodes · supporting · Seasons 1-3
• Alys Rivers — 26 episodes · supporting · Seasons 1-3
• Grand Maester Orwyle — 26 episodes · supporting · Seasons 1-3
• King Aegon II Targaryen — 26 episodes · antagonist · Seasons 1-3
• Lady Baela Targaryen — 26 episodes · supporting · Seasons 1-3
• Lady Rhaena Targaryen — 26 episodes · supporting · Seasons 1-3
• Lord Corlys Velaryon — 26 episodes · supporting · Seasons 1-3
• Lord Jason Lannister / Ser Tyland Lannister — 26 episodes · supporting · Seasons 1-3
• Lord Larys 'Clubfoot' Strong — 26 episodes · antagonist · Seasons 1-3
• Lord Ormund Hightower — 26 episodes · supporting · Seasons 1-3
• Mysaria 'The White Worm' — 26 episodes · supporting · Seasons 1-3
• Prince Aemond Targaryen — 26 episodes · antagonist · Seasons 1-3
• Prince Daemon Targaryen — 26 episodes · deuteragonist · Seasons 1-3
• Prince Jacaerys 'Jace' Velaryon — 26 episodes · supporting · Seasons 1-3
• Queen Alicent Hightower — 26 episodes · antagonist · Seasons 1-3
• Queen Helaena Targaryen — 26 episodes · supporting · Seasons 1-3
• Rhaenyra Targaryen — 26 episodes · protagonist · Seasons 1-3
• Ser Criston Cole — 26 episodes · antagonist · Seasons 1-3
• Ser Gwayne Hightower — 26 episodes · supporting · Seasons 1-3
• Ser Harrold Westerling — 9 episodes · supporting · Season 1
• Lord Lyman Beesbury — 8 episodes · supporting · Season 1
• Ser Erryk Cargyll — 7 episodes · supporting · Seasons 1-2
• Hugh — 6 episodes · supporting · Season 2
• Lord Lyonel Strong — 6 episodes · supporting · Season 1
• Elinda Massey — 5 episodes · supporting · Seasons 2-3
• Grand Maester Mellos — 5 episodes · supporting · Season 1
• Lord Jasper 'Ironrod' Wylde — 5 episodes · supporting · Seasons 1-3
• Maester Gerardys — 5 episodes · supporting · Seasons 1, 3
• Ser Arryk Cargyll — 5 episodes · supporting · Seasons 1-2
• Lord Oscar Tully — 4 episodes · supporting · Season 3
• Princess Rhaenys Targaryen — 4 episodes · supporting · Season 2
• Ser Adrian Redfort — 4 episodes · supporting · Season 3
• Ser Harwin 'Breakbones' Strong — 4 episodes · supporting · Season 1
• Ser Steffon Darklyn — 4 episodes · supporting · Seasons 1-2
• Ulf — 4 episodes · supporting · Season 2
• Alysanne Blackwood — 3 episodes · supporting · Season 3
• High Septon — 3 episodes · supporting · Seasons 1, 3
• Lady Jeyne Arryn — 3 episodes · supporting · Season 3
• Lady Sabitha Frey — 3 episodes · supporting · Season 3