DC Universe Reveals New ‘Supergirl’ For Upcoming Film

Milly Alcock
John Sciulli/Getty Images for FIJI Water

Australian actress Milly Alcock, best known for starring in HBO’s “Game of Thrones” prequel spinoff series “House of the Dragon,” has been named as DC Universe’s new Supergirl.

The 23-year-old played the young Princess Rhaenyra Targaryen on the show. Alcock was nominated for a Critics’ Choice Television Award for Best Supporting Actress in a Drama Series for her work on “HOTD.” Now she’ll become an even bigger household name starring as the iconic superhero in the first film project spearheaded by James Gunn and Peter Safran for the DC Universe (DCU), per Deadline.

“This is accurate. Milly is a fantastically talented young actor, and I’m incredibly excited about her being a part of the DCU,” Gunn confirmed on Instagram. “Yes, I first became aware of her in House of the Dragon but I was blown away by her varied auditions and screen tests for #Supergirl,” he continued. “She embodies Kara as envisioned by @tomking_tk and @bliquis and Ana Noguiera.”

Other contenders for the coveted role included “CODA” star Emilia Jones and Meg Donnelly, who voiced Supergirl in the DC animated movies “Legion of Superheroes” and “Justice League: Crisis on Infinite Earths Part One,” the outlet noted.

Rumor has it that Supergirl could have a cameo in the upcoming DC film “Superman Legacy,” but that’s so far unconfirmed. The first project Alcock will definitely star in is the upcoming “Supergirl: Woman of Tomorrow,” which was announced last year. The storyline will be based on Yom King’s 2022 comic book series.


Gunn told Deadline of this Supergirl version, “In our series we see the difference between Superman who was sent to Earth and raised by loving parents from the time he was an infant, versus Supergirl who was raised on a rock, a chip off Krypton, and watched everyone around her die and be killed in terrible ways for the first 14 years of her life, and then came to Earth when she was a young girl. She’s much more hardcore; she’s not exactly the Supergirl we’re used to seeing.”

Alcock made her screen debut as a teenager in Australia, appearing in commercials before transitioning to various TV projects. “House of the Dragon” was her big break into Hollywood. 

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