Milly Alcock (born April 11, 2000, in Sydney, New South Wales, Australia) is an Australian actress. She began acting in local television and short projects, gaining early experience through Australian series and commercials, steadily building her craft before moving into more prominent roles.
She gained widespread recognition as young Rhaenyra Targaryen in House of the Dragon, earning critical praise for her commanding and emotionally layered performance. Known for natural intensity and strong screen presence, she quickly transitioned from emerging talent into a globally recognized rising star.
She has since taken on new film and television projects while expanding her presence in international productions and fashion circles. With growing acclaim and industry attention, she stands as one of the most promising young actors shaping contemporary television and modern storytelling.