Milly Alcock is an Australian actress who gained international recognition for her portrayal of young Rhaenyra Targaryen in HBO’s House of the Dragon (2022–2024), the prequel to Game of Thrones. Born on April 11, 2000, in Sydney, Australia, Alcock discovered her passion for acting at a young age and pursued it despite dropping out of Newtown High School of the Performing Arts in 2018 when she was cast in Upright.

Her career began with television commercials for brands like Cadbury, KFC, and Woolworths, followed by hosting roles on Disney Channel Australia. She later appeared in Australian TV series such as Janet King, A Place to Call Home, Pine Gap, and Les Norton before landing her breakout role in Upright (2019), where she played Meg, a runaway teenager hitchhiking across the Australian outback.

Alcock’s performance in House of the Dragon was widely praised, earning her a Critics' Choice Television Award nomination for Best Supporting Actress in a Drama Series. Her portrayal of Rhaenyra Targaryen showcased her ability to bring depth and complexity to her characters, making her one of the most promising young talents in Hollywood.

With her growing popularity, Alcock is expected to take on major film and television projects, solidifying her place in the entertainment industry. Fans eagerly await her next move as she continues to captivate audiences with her talent and charisma.