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Milly Alcock
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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).

Known for

House of the DragonYoung Rhaenyra Targaryen
SupermanSupergirl (uncredited)
SupergirlSupergirl
SirensSimone DeWitt
UprightMeg Adams
2025Based AmyExecutive ProducerMovie
2025SupermanSupergirl (uncredited)Movie
2025SirensSimone DeWitt · 5 episodesShow
2020FurloughEllaMovie
2020The FamiliarsAlisonMovie
2020The GloamingJenny McGinty · 7 episodesShow
2019UprightMeg Adams · 16 episodesShow
2019ReckoningSam Serrato · 10 episodesShow
2019Les NortonSian Galese · 4 episodesShow
2018Fighting SeasonMaya Nordenfelt · 6 episodesShow
2018Pine GapMarissa Campbell · 5 episodesShow
2018The SchoolJienMovie
2017High LifeIsabella Barrett · 6 episodesShow
2014Janet KingCindi Jackson · 3 episodesShow
2013WonderlandTeen Girl 1 · 1 episodeShow
2013A Place to Call HomeEmma Carvolth · 4 episodesShow

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