Milly Alcock, born November 11, 2000, in Sydney, Australia, gained international recognition for her role as young Rhaenyra Targaryen in HBO’s "House of the Dragon," a prequel to "Game of Thrones." Her portrayal in the first season was noted for capturing the complexity of the ambitious and vulnerable princess. Prior to this breakthrough, she appeared in Australian projects, including the series "One Night," playing a younger version of a character, as well as in independent films and shorts. Critics have highlighted her natural and emotionally deep acting style.
Between 2024 and 2025, Alcock is expanding her career in major films, starring as Kara Zor-El in the DC Universe film "Supergirl," presenting a strong yet humanized version of the character. She is also involved in several upcoming projects, including dramas and auteur films. Off-screen, Alcock leads a private life, enjoying music and travel, and maintains a modest social media presence. Currently, she is regarded as one of the most sought-after young actresses of her generation, with expectations to become a global star.
