Milly Alcock

Acting

Born: April 11, 2000 (age 26) · Sydney, New South Wales, Australia

Plays: Supergirl in Supergirl (2026)

Full filmography & movie ratings on Popcorn Jury →

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About Milly 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), for which she was nominated for a Critics' Choice Award. 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).