The much-anticipated film ‘Supergirl’ is set to grace cinemas on 26 June 2026, and buzz surrounding its release is palpable. Leading the charge is the talented Milly Alcock, who steps into the shoes of the iconic character Kara Zor-El. Alcock, known for her role in HBO’s acclaimed series ‘House of the Dragon’, has expressed her excitement in a recent interview with PEOPLE.
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Upon receiving the news of her casting, Alcock celebrated in a fittingly joyous manner. “I bought a bunch of the cheapest champagne at The Bottle-O because I was in Australia,” she reminisced, recounting the lively get-together she hosted for her friends. The festivities included dancing and, of course, plenty of bubbly as she and her companions toasted to her significant achievement.

Alcock’s casting as Supergirl came ahead of last year’s film featuring David Corenswet as Superman, which was helmed by writer-director James Gunn, the head of DC Studios. Alcock made her first appearance as the character in the earlier film, setting the stage for her solo outing directed by Craig Gillespie.
The manner in which Alcock discovered she had landed the role was rather unconventional. Gunn informed her via email, sharing a news article that announced her casting. “I was like, okay, thank you,” Alcock recounted with a laugh. “I mean, I got the part, but I was like, ‘Do call me, man! This is a calling conversation.’” She light-heartedly acknowledged the busyness of Gunn, noting, “Perhaps the busiest guy at DC.”
In addition to Alcock, ‘Supergirl’ boasts a remarkable ensemble cast, which includes Jason Momoa, Eve Ridley, Matthias Schoenaerts, and Krypto the Superdog. The storyline follows Supergirl as she embarks on an extraordinary interstellar odyssey, joining forces with an unexpected ally in her quest for vengeance and justice.
Delving into her character, Alcock reflected on the deeper connections she feels with Supergirl. “I related to her struggle to be alive and the way that emotions are really difficult to have, really difficult to process,” she shared. This authenticity, she believes, enriches the character’s journey and makes her resonate on a more personal level. Alcock admitted, “Sometimes you can get in your own way,” adding that portraying Supergirl has been a transformative experience for her.
As the premiere date draws nearer, Alcock’s enthusiasm for the role remains infectious. Her personal journey while playing Supergirl has provided her with insights that she cherishes. “I kind of really needed her in this beautiful way, to get out of my own way,” Alcock commented, highlighting the profound impact the character has had on her personal growth.
Fans are eager to see Alcock’s take on the beloved superhero, and the film is positioned to be a significant addition to the DC Cinematic Universe. Following ‘Supergirl’, audiences can look forward to the release of the highly anticipated Superman sequel, ‘Man of Tomorrow’, which is scheduled to hit cinemas on 9 July 2027.
With the film industry constantly evolving, Alcock’s involvement in ‘Supergirl’ signifies a fresh direction for female-led superhero narratives. The industry has been increasingly focused on showcasing strong, complex female characters, and Alcock’s portrayal of Supergirl is poised to further this trend.
As excitement continues to build ahead of its premiere, ‘Supergirl’ is expected to capture the hearts of fans both new and old when it arrives in theatres this summer. The film not only marks a notable milestone in Alcock’s career but also promises to deliver a captivating experience for audiences around the globe.
