House of the Dragon’s Milly Alcock has been Cast as Supergirl

House of the Dragon’s Milly Alcock has been Cast as Supergirl

Milly Alcock’s run on House of the Dragon may have been a short one, but it looks like this dragon queen is ready to fly.

Reports had come out last week that Alcock was in the running to play Supergirl for James Gunn’s new DCU, and Variety has confirmed that Alcock is now going to be making her superheroine debut in Superman: Legacy, then headlining in her own feature film with Supergirl: Woman of Tomorrow.

Besides Alcock, Disney Channel star Meg Donnelly had been considered for the part, with her having voiced Supergirl in animation. Though Alcock did get the live-action part, I don’t see why Donnelly can keep playing the voice of Supergirl moving forward.

We don’t know yet how Gunn and his team plan to tackle Supergirl down the line, but I do think that Alcock won the role because she looks significantly younger than Donnelly. What makes the dynamic between Clark and Kara interesting is that Kara is younger, but she knows more about Krypton than Clark does, having grown up there before it exploded.

For now, we’re just going to have to wait and see what everyone looks like in costume, but a lot of fans agree that Alcock is a solid pick for the character. Fingers crossed we get a first look before the year ends.

Watch out for Alcock when she makes her debut as Supergirl in Superman: Legacy which comes out July 11, 2025.


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