House of the Dragon (TV) Cast
The cast of House of the Dragon. Updated on October 3, 2025.
198 actors
Matt Smith
as Prince Daemon Targaryen (18 episodes)

Matt Smith stars as Prince Daemon Targaryen, known for his ambition and combat prowess.

Olivia Cooke
as Alicent Hightower (13 episodes)

Olivia Cooke portrays Alicent Hightower, who has significant influence in the court politics of the Targaryen dynasty.

Rhys Ifans
as Ser Otto Hightower (13 episodes)

Rhys Ifans appears as Ser Otto Hightower, the Hand of the King and a shrewd political player.

Robert Ryan
as Household Targaryen Guard (10 episodes)

Robert Ryan is part of the show as a Household Targaryen Guard.

Patrick Sass
as Arilon (8 episodes)
Emma D'Arcy
as Princess Rhaenyra Targaryen (13 episodes)

Emma D'Arcy plays Princess Rhaenyra Targaryen, a key character in the battle for the Iron Throne.

Paddy Considine
as King Viserys I Targaryen (10 episodes)
Graham McTavish
as Ser Harrold Westerling (9 episodes)

Graham McTavish plays Ser Harrold Westerling, a loyal member of the Kingsguard.

Sian Brooke
as Queen Aemma Arryn (2 episodes)

Sian Brooke portrays Queen Aemma Arryn, whose marriage to King Viserys I Targaryen is politically significant.

David Horovitch
as Grand Maester Mellos (5 episodes)

David Horovitch is Grand Maester Mellos, the chief adviser on medical and scholarly matters.

Bill Paterson
as Lord Lyman Beesbury (8 episodes)

Bill Paterson plays Lord Lyman Beesbury, a seasoned member of the king's council.

Gavin Spokes
as Lord Lyonel Strong (6 episodes)

Gavin Spokes is Lord Lyonel Strong, a notable lord in the realm.

Michael Carter
as King Jaehaerys Targaryen (1 episode)

Michael Carter stars as King Jaehaerys Targaryen, the ruler whose decisions have long-reaching effects.

Steffan Rhodri
as Lord Hobert Hightower (3 episodes)
Elliott Tittensor
as Ser Erryk Cargyll (7 episodes)
Luke Tittensor
as Ser Arryk Cargyll (8 episodes)
Garry Cooper
as Ryam Redwyne (1 episode)
Julian Lewis Jones
as Boremund Baratheon (2 episodes)
David Hounslow
as Lord Rickon Stark (1 episode)
Frankie Wilson
as Captain Randyll Barret (1 episode)
Mikhail Sen
as Mickon (1 episode)
Rhys Parry Jones
as Master of Revels (1 episode)
Gary Raymond
as High Septon (2 episodes)
Andrew Bicknell
as Dragonkeeper (2 episodes)
David Cann
as Dragonkeeper (1 episode)
Mirjam Germann
as Dragonkeeper Acolyte (1 episode)
Nova Foueillis-Mosé
as Child Laena Velaryon (2 episodes)
John Arnedo
as Murderer (1 episode)
Anthony Flanagan
as Ser Steffon Darklyn (9 episodes)
Matthew Carver
as Child Laenor Velaryon (1 episode)
Daniel Scott-Smith
as Craghas 'The Crabfeeder' Drahar (2 episodes)
Matthew Needham
as Lord Larys 'Clubfoot' Strong (13 episodes)
Ryan Corr
as Ser Harwin 'Breakbones' Strong (4 episodes)
Wil Johnson
as Ser Vaemond Velaryon (4 episodes)
Theo Nate
as Young Laenor Velaryon (2 episodes)
Solly McLeod
as Ser Joffrey Lonmouth (2 episodes)
Jonny Weldon
as Samwell (1 episode)
Edward Rowe
as Ser Howland Sharp (1 episode)
Lucy Briers
as Ceira Lannister (2 episodes)
Joanna David
as Joselyn Redwyne (1 episode)
Alana Ramsey
as Lynesse Hightower (2 episodes)
Thom Ashley
as Brett Lannister (1 episode)
Oscar Salem
as Ser Addam (1 episode)
Aron von Andrian
as Velaryon Knight (Bloodstone) (1 episode)
Clea Martin
as Royal Handmaiden (2 episodes)
Kathryn Delaney
as Wet Nurse (2 episodes)
Chris Jarman
as Triarchy Lieutenant (1 episode)
Chris David Storer
as Lord Humfrey Bracken (1 episode)
Gabriel Scott
as Jerrel Bracken (1 episode)
Alfie Todd
as Willem Blackwood (1 episode)
Toby Dixon
as Messenger (1 episode)
Minnie Marx
as Blind Woman (1 episode)
Jonathan Jaynes
as Street Actor (Narrator) (1 episode)
Samuel Sargeant
as Street Vendor (1 episode)
Paul Leonard
as Lord Beric Dondarrion (1 episode)
Benjamin Dilloway
as Ser Soren (1 episode)
Philip Young
as The Drunkard (1 episode)
Kurt Egyiawan
as Maester Orwyle (13 episodes)
Owen Oakeshott
as Ser Gerold Royce (1 episode)
Savannah Steyn
as Young Laena Velaryon (1 episode)
Rachel Redford
as Rhea Royce (1 episode)
Martha Thomas
as Royal Handmaiden (1 episode)
Arthur Conti
as Royal Servant (1 episode)
Jefferson Hall
as Ser Tyland Lannister (9 episodes)
Leo Hart
as Prince Jacaerys Velaryon (2 episodes)
Harvey Sadler
as Prince Lucerys Velaryon (2 episodes)
Ty Tennant
as Prince Aegon Targaryen (2 episodes)
Leo Ashton
as Prince Aemond Targaryen (2 episodes)
Evie Allen
as Princess Helaena Targaryen (2 episodes)
Shani Smethurst
as Baela Targaryen (2 episodes)
Eva Ossei-Gerning
as Rhaena Targaryen (2 episodes)
John Macmillan
as Ser Laenor Velaryon (2 episodes)
Nanna Blondell
as Lady Laena Velaryon (3 episodes)
Paul Kennedy
as Lord Jasper 'Ironrod' Wylde (11 episodes)
Alexis Raben
as Talya (4 episodes)
Arty Froushan
as Ser Qarl Correy (2 episodes)
Patrice Naiambana
as Dragon Elder (1 episode)
Jordon Stevens
as Elinda Massey (7 episodes)
Dean Nolan
as Prince Reggio Haratis (1 episode)
Sean Cernow
as Gaunt Black Cells Prisoner (2 episodes)
Arevinth V Sarma
as Black Cells Prisoner (1 episode)
Gareth Morrison
as Black Cells Prisoner (1 episode)
Rosie Ede
as Older Midwife (2 episodes)
Rosa Escoda
as Younger Midwife (1 episode)
Ravi Aujla
as Pentoshi Surgeon (1 episode)
Paul Hickey
as Lord Caswell (3 episodes)
Anna Sari
as Dragonkeeper Acolyte (1 episode)
Afolabi Alli
as Dragonkeeper Acolyte (1 episode)
Steve Toussaint
as Lord Corlys 'The Sea Snake' Velaryon (14 episodes)
Eve Best
as Princess Rhaenys Targaryen (11 episodes)
Sonoya Mizuno
as Mysaria (13 episodes)
Milly Alcock
as Princess Rhaenyra Targaryen (7 episodes)
Emily Carey
as Alicent Hightower (5 episodes)
Phil Daniels
as Maester Gerardys (11 episodes)
Haqi Ali
as Maester Kelvyn (2 episodes)
Bijan Daneshmand
as High Priest (2 episodes)
Bill Bekele
as High Tide Page (1 episode)
Fabien Frankel
as Ser Criston Cole (16 episodes)
Harry Collett
as Prince Jacaerys Velaryon (10 episodes)
Tom Glynn-Carney
as Prince Aegon Targaryen (10 episodes)
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