by Nick Romano
Check out EW's exclusive portraits of the House of the Dragon stars.
According to showrunners, Emma D'Arcy's Princess Rhaenyra is the most important role in the series.
King Viserys I has helped maintain an age of peace in Westeros that has collectively lasted for more than 70 years.
Brother of King Viserys, Daemon is one of the more volatile Targaryens.