Milly Alcock’s ‘punk rock’ Supergirl takes flight as DC bets big on the Woman of Tomorrow

Pop Culture NewsMilly Alcock’s ‘punk rock’ Supergirl takes flight as DC bets big on the Woman of TomorrowAustralian actor Milly Alcock stars as Supergirl in this summer's new DC Studios movie bearing her name.Listen to this article with a free account00:0000:00Milly Alcock attends Warner Bros. "The Big Picture" CinemaCon 2026 at Caesars Palace, in Las Vegas, on April 14.David Jon / Getty Images for Warner Bros. Pictures fileShareAdd NBC News to GoogleMay 3, 2026, 2:57 PM EDTBy The Associated PressNot too long after James Gunn and Peter Safran stepped up to lead DC Studios into the future, they were riffing about Supergirl. The Tom King comic series, “Supergirl: World of Tomorrow” was one of the ideas they were especially excited about, and Gunn had a very specific image in his head.Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.He just didn’t yet know her name.“He goes, ‘you know the young girl from ‘House of the Dragon’? The young queen or princess? That’s how I picture it, like a young punk rock girl who is just totally badass and tough,’” Safran told The Associated Press. “I was like, yeah, that sounds fantastic, and we haven’t seen that before.”Milly Alcock, now 26, had just started to break out playing Princess Rhaenyra Targaryen (later portrayed by Emma D’Arcy) in the “Game of Thrones” prequel, when she got a request for a self-tape for the secretive Supergirl project. Alcock had been working in her native Australia since she was a teenager, but her world was suddenly getting bigger very quickly.A few weeks later, she was summoned for a screen test (her first ever). She boarded a 24-hour flight from Sydney to Atlanta and gave it her best shot.“I kind of had a feeling, I remember I like got back to my hotel room and I like sat down and I was like, ‘Oh, this is gonna, something’s gonna happen,’” Alcock said. “I just had like an intuition that like, this is going to be a very exciting challenge i...