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From Dragons to Supergirl: Milly Alcock's Epic Leap
26 Jun
Summary
- Milly Alcock transitions from 'House of the Dragon' to DC's Supergirl.
- She auditioned remotely from Sydney for her dragon-riding role.
- Alcock's performance earned her the Supergirl role in the DCU.

Milly Alcock, celebrated for her role as Rhaenyra Targaryen in HBO's 'House of the Dragon,' is embarking on her first major Hollywood venture as Supergirl. This significant role, which began with a tag scene in 'Superman,' officially kicks off the DC Universe's cinematic future. Alcock's casting came about after DC Studios co-chairmen and co-CEOs James Gunn and Peter Safran were impressed by her earlier performance.
The Australian actress secured the part of the dragon-riding princess, Rhaenyra, at just 20 years old. Her audition process was conducted remotely from her home in Sydney during the COVID-19 pandemic. Despite her limited screen time in the first half of 'House of the Dragon's' inaugural season, Alcock quickly garnered a devoted fan following.
Her upcoming film, 'Supergirl,' is scheduled for release on June 26. Directed by Craig Gillespie and penned by Ana Nogueira, the movie represents Alcock's inaugural leading film role. In a recent interview, Alcock reflected on her acting origins, the life-altering impact of 'House of the Dragon,' and her strategies for managing online criticism.