26-year-old actress Milly Alcock has had a knockout couple of years, having won hearts with her portrayal of young Rhaenyra Targaryen in HBO's Game of Thrones spin-off House of the Dragon, followed by Netflix's eery series Sirens, and a forthcoming roles as Supergirl, no less. Off-screen, Alcock is quickly shaping up to be one of Westeros' most fashionable alumni, attending Louis Vuitton shows in Paris, collaborating with Miu Miu, and even sitting front row at the Fendi Haute Couture Spring Summer 23 show.
While we're at it, here's what you need to know about the up-and-comer.
She's an Aussie
Alcock is a born and bred Sydney-sider, having attended Newtown High School of the Performing Arts.
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She's dating Jo Powell
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We love a good power couple, and these two certainly fit the bill. Powell runs a London-based food project called Schoolnights.
Alcock hasn't spoken publicly about the relationship, but they made their red carpet debut at the BAFTAs in 2026, and are frequent fixtures on each others' Instagram accounts.
She dropped out of high school to pursue acting
While in her final year of high school, Alcock dropped out to pursue acting full-time as part of the cast of 2019 Australian drama Upright, where she plays 13-year-old Meg opposite Tim Minchin.
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She starred in Phoebe Tonkin's short film
Alcock stars in Furlough, a 2020 short film written and directed by Phoebe Tonkin.
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She's besties with Noel Gallager's daughter
Model and photographer Anaïs Gallagher is a close friend of the actress, so close in fact that Alcock even starred in Noel Gallagher's music video for Easy Now just a few years ago.
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She's also a master of the stage
Alcock previously took to the stage in London's West End, where she played Abigail Williams in the National Theatre's production of The Crucible. The adaptation of the Arthur Miller classic performed a limited season from June until September in 2024.
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