10 Key Characters in House of The Dragon, HBO's Hit Series

1. Jaehaerys I Targaryen, the old king who reigned for six decades in peace and prosperity (Michael Carter)

2. Viserys I Targaryen, the generous king who hates conflict (Paddy Condine)

3. Daemon Targaryen, the king's ambitious younger brother (played by Matt Smith)

4. Rhaenyra Targaryen, the king's daughter who loves purple and maroon velvet (played by Milly Alcock as young Rhaenyra and Emma D'Archy as Old Rhaenyra)

5. Otto Hightower, the king's learned adviser (Rhys Ifans)

6. Alicent Hightower, a precocious and intelligent queen (played by Emily Carey as young Alicent and Emilia Cooke as Old Alicent)

7. The passionate and fearless Rhaenys Velaryon, The Queen Who Never Was (played by Eve Best)

8. Mysaria, a dancer in King's Landing who is the lover of Daemon Targaryen (played by Sonoya Mizuno)

9. Cristone Cole, a highly skilled fighter (played by Fabien Frankel)

10. Corlys Velaryon, the greatest sailor the Seven Kingdoms know (played by Steve Toussaint)