Actor

Milly Alcock

14 credited titles on WatchWise

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).

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Milly Alcock in one minute

Upcoming

Strongest genre

Biggest hit

Superman vs. The Elite

$1.8M

Standout efficiency

0.5x

Superman vs. The Elite · gross ÷ budget

Commercial performance

Associated lifetime gross

$350K

Combined reported budget

$1.1M

Gross / budget

0.3x

Bankability Index

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All figures are associated, not attributed — box-office numbers are sourced from TMDB and Wikipedia (reused under CC BY-SA), shown in US$, and weighted by billing prominence. Coverage varies by title; figures are estimates, not audited trade data.