Acting

Milly Alcock

EN cinema · 10 credits

Born

11 April 2000 (age 26)

Birthplace

Sydney, New South Wales, Australia

Also known as Amelia Alcock · Amelia May Alcock

Amelia May Alcock (born 11 April 2000) is an Australian actress. She received an AACTA Award nomination for her performance in the Foxtel comedy-drama Upright (2019–2022). She gained wider recognition for starring as young Rhaenyra Targaryen in the HBO fantasy series House of the Dragon (2022–2024). Alcock is best known for portraying Kara Zor-El / Supergirl in the DC Universe, first making an uncredited appearance in Superman (2025). She reprised the role starring in Supergirl (2026).

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