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Milly Alcock

Actor · Producer

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2000Born, Sydney

19Credits

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).

Next up

2027Man of TomorrowSupergirl

Known for

House of the DragonYoung Rhaenyra Targaryen

SupermanSupergirl (uncredited)

SupergirlSupergirl

SirensSimone DeWitt

UprightMeg Adams

Filmography

All Acting Producing

2025Based AmyExecutive ProducerMovie

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