Superman

Milly Alcock the new Supergirl

"House of the Dragon" star Milly Alcock is set to star in "Supergirl: Woman of Tomorrow."

Alcock, who plays Rhaenyra Targaryen in the HBO series, and will play Superman's cousin Kara Zor-El in the upcoming movie.

DC Studios Co-CEO James Gunn posted the news to Instagram.