Alys Rivers has become one of the most enigmatic figures in House of the Dragon. Now, actor Gayle Rankin has confirmed just how ancient the mysterious healer really is, putting years of fan speculation about her age to rest. House of the Dragon’s Gayle Rankin Reveals how old Alys really isRankin’s character, a wet nurse and supposed seer at Harrenhal, speaks with an unnerving familiarity about events that unfolded decades before she could have been born. When asked how old she believes Alys actually is, Gayle Rankin gave a staggering age number. The key scene prompting the discussion happened in House of the Dragon Season 3, Episode 6, when Alys reveals a hidden clutch of dragon eggs to Aemond Targaryen.