Milly Alcock
Acting
Biography
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).
As actor 27
The Tonight Show Starring Jimmy Fallon
2014
House of the Dragon
2022
Supergirl
2026
Last Meals
2021
Superman
2025
House of the Dragon: The House That Dragons Built
2024
A Place to Call Home
2013
Sirens
2025
Wonderland
2013
Upright
2019
The Gloaming
2020
Pine Gap
2018
DC Studios Showcase: The Official Podcast
2024
Reckoning
2019
Man of Tomorrow
2027
Les Norton
2019
Janet King
2014
Fighting Season
2018
High Life
2017
The Making of Supergirl
2026
Hot Mother
Based Amy
2025
The School
2018
Untitled Kyoto Project
Thumb
Furlough
2020
The Familiars
2020