Actor
Milly Alcock
April 11, 2000 · Sydney, New South Wales, Australia
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).
Notable work
Often works with
David Corenswet
3 titles together
Superman, Supergirl, Man of Tomorrow
Steve Toussaint
2 titles together
House of the Dragon, Pine Gap
Rachel Brosnahan
2 titles together
Superman, Man of Tomorrow
Nicholas Hoult
2 titles together
Superman, Man of Tomorrow
Edi Gathegi
2 titles together
Superman, Man of Tomorrow
Nathan Fillion
2 titles together
Superman, Man of Tomorrow
Full filmography · 19
Sirens
as Simone DeWitt
20256.6
House of the Dragon
as Young Rhaenyra Targaryen
20228.4
The Gloaming
as Jenny McGinty
20206.3
Upright
as Meg Adams
20198.1
Reckoning
as Sam Serrato
20196.5
Les Norton
as Sian Galese
2019
Fighting Season
as Maya Nordenfelt
2018
Pine Gap
as Marissa Campbell
20186.7
High Life
as Isabella Barrett
2017
Janet King
as Cindi Jackson
20146.9
Wonderland
as Teen Girl 1
2013
A Place to Call Home
as Emma Carvolth
20137.4