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Portrait of Milly Alcock

Acting

Milly Alcock

  • Born April 11, 2000
  • Sydney, New South Wales, Australia
  • 26 years old

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 / …

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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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Acting (22)

Young Rhaenyra Targaryen

Supergirl (uncredited)

Supergirl

Simone DeWitt

Meg Adams

Marissa Campbell

Sam Serrato

Jenny McGinty

Emma Carvolth

Jien

Cindi Jackson

Sian Galese

Teen Girl 1

Maya Nordenfelt

Alison

Isabella Barrett

Ella

Supergirl

Ella

Production (1)

Executive production

Appearances (1)

Self