Milly Alcock
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).
The Familiars
(Alison)
Supergirl
(Supergirl)
The School
(Jien)
Furlough
(Ella)
Based Amy
Superman
(Supergirl (uncredited))
Thumb
Hot Mother
Untitled Kyoto Project
(Ella)
Man of Tomorrow
(Supergirl)
Wonderland
(Teen Girl 1)
High Life
(Isabella Barrett)
Les Norton
(Sian Galese)
Janet King
(Cindi Jackson)
A Place to Call Home
(Emma Carvolth)
House of the Dragon
(Young Rhaenyra Targaryen)
Upright
(Meg Adams)
Fighting Season
(Maya Nordenfelt)
Pine Gap
(Marissa Campbell)
Sirens
(Simone DeWitt)
Reckoning
(Sam Serrato)
The Gloaming
(Jenny McGinty)
The Tonight Show Starring Jimmy Fallon
(Self - Guest)
DC Studios Showcase: The Official Podcast
(Self)
House of the Dragon: The House That Dragons Built
(Self)
Last Meals
(Self)