| Emma D'Arcy | | Queen Rhaenyra Targaryen / Princess Rhaenyra Targaryen |
| Olivia Cooke | | Queen Alicent Hightower |
| Paddy Considine | | King Viserys I Targaryen |
| Matt Smith | | Prince Daemon Targaryen |
| Rhys Ifans | | Ser Otto Hightower / Otto Hightower |
| Eve Best | | Princess Rhaenys Targaryen |
| Steve Toussaint | | Lord Corlys 'The Sea Snake' Velaryon |
| Sonoya Mizuno | | Mysaria / Mysaria 'The White Worm' |
| Ewan Mitchell | | Prince Aemond Targaryen |
| Fabien Frankel | | Ser Criston Cole |
| Harry Collett | | Prince Jacaerys 'Jace' Velaryon |
| Milly Alcock | | Princess Rhaenyra Targaryen |
| Tom Glynn-Carney | | King Aegon II Targaryen / Prince Aegon Targaryen |
| Emily Carey | | Queen Alicent Hightower / Lady Alicent Hightower |
| Bethany Antonia | | Lady Baela Targaryen |
| Ryan Corr | | Ser Harwin 'Breakbones' Strong |
| Phoebe Campbell | | Lady Rhaena Targaryen |
| Jefferson Hall | | Ser Tyland Lannister / Lord Jason Lannister |
| David Horovitch | | Grand Maester Mellos |
| Graham McTavish | | Ser Harrold Westerling |
| Matthew Needham | | Lord Larys 'The Clubfoot' Strong / Larys 'The Clubfoot' Strong |
| Bill Paterson | | Lord Lyman Beesbury |
| Gavin Spokes | | Lord Lyonel Strong |
| Alexis Raben | | Talya |
| Anthony Flanagan | | Ser Steffon Darklyn |
| Freddie Fox | | Ser Gwayne Hightower |
| Kieran Bew | | Hugh |
| Kurt Egyiawan | | Grand Maester Orwyle / Maester Orwyle |
| Luke Tittensor | | Ser Arryk Cargyll |
| Simon Russell Beale | | Ser Simon Strong |
| Abubakar Salim | | Alyn of Hull |
| Wil Johnson | | Ser Vaemond Velaryon |
| Daniel Wynes | | Hightower Guard |
| Elliott Tittensor | | Ser Erryk Cargyll |
| Phil Daniels | | Maester Gerardys |
| Steffan Rhodri | | Lord Hobert Hightower |
| Paul Kennedy | | Lord Jasper 'Ironrod' Wylde |
| Jordon Stevens | | Elinda Massey |
| Paul Hickey | | Lord Allun Caswell |
| Michelle Bonnard | | Brothel Madam / Brothel Madame |
| Phia Saban | | Queen Helaena Targaryen / Princess Helaena Targaryen |
| Maddie Evans | | Dyana |
| Leo Hart | | Prince Jacaerys 'Jace' Velaryon |
| Harvey Sadler | | Prince Lucerys 'Luke' Velaryon |
| Elliot Grihault | | Prince Lucerys 'Luke' Velaryon |
| Ty Tennant | | Prince Aegon Targaryen |
| Leo Ashton | | Prince Aemond Targaryen |
| Gayle Rankin | | Alys Rivers |