The Choice for Gunn’s Supergirl Reportedly Narrowed down to Milly Alcock and Meg Donnelly Following Screen Test in Atlanta


With the release of ‘Aquaman and the Lost Kingdom’ DCEU officially ended, and now DCU is taking over. Even though Gunn’s reboot is supposed to be a soft reboot, it looks like the stories of DC characters under his leadership are going in a new direction. Since Gunn often likes to provide fans with updates via Social Media, he is always eager to answer questions regarding the development of his upcoming ‘Superman: Legacy’ the movie that is supposed to kick off the live-action portion of the DCU.

Recently, Gunn used Threads to clear up some details regarding the production of the movie. He cleared up that the development so far is going “swimmingly” as sets are being built, costumes are finished, and actors are adjusting to their roles. One fan took the opportunity to ask Gunn how much the cast he has locked in for ‘Legacy,’ and Gunn was vague in answering but confirmed that it’s more than 90 % but less than 100%, meaning that not all characters have actors attached to them, which will consequently start more rumors.

Now The Hollywood Reporter has interesting rumors that the choice for DCU’s Supergirl is narrowed down to Milly Alcock and Meg Donnelly following the Screen Test in Atlanta, which coincides with rumors that were making rounds a couple of weeks ago, especially regarding Milly Alcock.

The extent of Supergirl’s role remains unknown at the moment since little is known about the overall plot of the movie, except for the fact that it’s not going to be an origin story focused on young Superman. However, since Supergirl’s own movie is in the making called ‘Supergirl: Woman of Tomorrow,’ we can assume that the actress that gets picked is here in the long run, ready to reprise her role in every DCU project.


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Milly Alcock rose to prominence in HBO’s ‘House of the Dragon’ playing a younger version of Princess Rhaenyra Targaryen, but she has a pretty impressive CV even before that groundbreaking role that put her under the spotlight. She made her television debut in 2014 on the romantic comedy ‘Wonderland,’ has since appeared in various commercials, and starred on Disney Channel in Australia from 2015 to 2017. In 2017, she secured her first named roles in the web miniseries ‘High Life’ and the ABC Television drama Janet King. Over the following years, Alcock played notable roles in series such as ‘Fighting Season,’ ‘A Place to Call Home,’ ‘Pine Gap,’ and ‘Les Norton.’ In 2018, she made her feature film debut in ‘The School.’ Her breakout role came in 2019 when she began starring in the Foxtel series Upright as Meg, earning her a Casting Guild of Australia Rising Star Award.

Meg Donnelly’s career is equally as impressive. It includes co-starring as Ash in the 2013 Netflix series ‘Team Toon’ and being the face of Clean and Clear’s 2015 ‘Awkward to Awesome’ campaign. She served as the understudy for Louisa von Trapp in NBC’s ‘The Sound of Music Live!’ and appeared in the feature film ‘The Broken Ones,’ which premiered at the 2017 SOHO International Film Festival. Donnelly gained prominence as Taylor Otto in the ABC sitcom ‘American Housewife’ from 2016 to 2021.

In addition to her acting career, she ventured into singing, releasing singles such as ‘Smile’ in August 2018 and ‘Digital Love’ on March 1, 2019. Notably, she starred as Addison in the Disney Channel Original Movie musical ‘Zombies,’ with sequels ‘Zombies 2’ and ‘Zombies 3’ released in 2020 and 2022, respectively.

In March 2022, Donnelly was cast in the co-lead role of Mary Campbell in ‘The Winchesters,’ a Supernatural spinoff, which got picked up as a series by The CW in May 2022. Unfortunately, the series was canceled after its first season in May 2023.

In any case, both actresses are great, but only one will pick up the role. What are your thoughts on this? Let us know in the comments below!

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