Milly Alcock Wikipedia | Biography
Milly Alcock is an Australian actress who shot to international stardom playing the young Rhaenyra Targaryen in HBO’s hit series, House of the Dragon. She first made waves in the Australian television scene with her role in Upright, and soon after, she transitioned into Hollywood, landing the role of Kara Zor-El, also known as Supergirl, in the DC Universe.
Born in Sydney, Australia, on April 11, 2000, Alcock will be 26 years old in 2026. She kicked off her acting journey as a teenager and made a bold move by leaving high school when she snagged the lead role of Meg Adams in Upright. Her career took a remarkable turn after House of the Dragon, positioning her as a key figure in one of DC Studios’ exciting new superhero franchises.
Milly Alcock Age
As of 2026, Milly Alcock is 26 years old. Born on April 11, 2000, in Sydney, Australia, she falls under the Aries zodiac sign.
At just 20, she landed the role of young Rhaenyra Targaryen in House of the Dragon, which catapulted her to global fame while she was still in her early twenties.
Milly Alcock Education
Milly started her education at Stanmore Public School before moving on to Newtown High School of the Performing Arts in Sydney.
However, she didn’t finish high school. In 2018, during her final year, she was cast as Meg Adams in Upright, prompting her to leave school and chase her acting dreams instead of sticking with traditional education.
In various interviews, Alcock has candidly shared her struggles with the conventional school system. She mentioned that while she put in a lot of effort, the traditional educational approach didn’t quite align with her learning style.
This choice turned out to be pivotal for her career, as Upright showcased her talent and ultimately caught the attention of the creators of House of the Dragon.
Milly Alcock Height
Milly Alcock stands at 5 feet 5 inches (1.65 meters) tall.
Her petite stature didn’t hold her back from taking on the role of Supergirl. For this DC character, Alcock underwent rigorous stunt and physical training, mastering punches, falls, and various action techniques.
Milly Alcock Husband
As of 2026, Milly Alcock is not married and doesn’t have a husband.
She is, however, publicly linked to Jo Powell, a chef based in London. The couple went Instagram-official in 2025 and made their first public appearance together at the 2026 BAFTA Awards. Reports from 2026 also indicate that they share a home in London.
Powell runs a food initiative called Schoolnights in East London, and the couple has been spotted together during their travels and at various entertainment events.
Milly Alcock Nationality
Milly Alcock’s nationality is Australian. She grew up in Sydney, New South Wales, and kicked off her acting journey in Australian television before branching out into international projects.
Her work in Australia includes roles in shows like Janet King, A Place to Call Home, Fighting Season, Pine Gap, Les Norton, The Gloaming, and Upright.
Eventually, she made the leap to London to work on House of the Dragon, marking a significant step from Australian television to the global entertainment scene.
Milly Alcock Ethnicity
As for her ethnicity, Milly Alcock is indeed Australian. Public biographical sources suggest her family background is European, with some mentioning English, Irish, and Scottish roots.
However, there isn’t a wealth of detailed information about her ancestry compared to her nationality and birthplace. So, any claims about a more specific ethnic background should be approached with caution unless backed by a direct interview or a trustworthy biographical source.
What we do know for sure is that Alcock was born and raised in Sydney and proudly identifies as Australian.
Milly Alcock Movies and TV Shows
She kicked off her career in the world of Australian television before making her mark in major international productions.
Milly Alcock TV Shows
– Wonderland
– High Life
– Janet King
– A Place to Call Home
– Fighting Season
– Pine Gap
– Les Norton
– Upright
– Reckoning
– The Gloaming
– House of the Dragon
– Sirens
Her standout role in Upright earned her an AACTA nomination for Best Comedy Performer, and her work in House of the Dragon snagged her a nomination for a Critics’ Choice Television Award.
Milly Alcock Movies
Some of Alcock’s notable film credits include:
– The School (2018)
– Furlough (2021)
– Superman (2025)
– Supergirl (2026)
She’s also lined up for several exciting upcoming film projects, marking her evolution from a television actress to a rising film star.
Milly Alcock Teeth
The buzz around “Milly Alcock teeth” has been on the rise lately, especially with various photos of the actress from different points in her career making the rounds online.
That said, there’s no solid evidence out there to suggest that Milly has had any dental work done, like surgery or veneers.
Her look can vary quite a bit based on factors like makeup, lighting, photography, styling, and the characters she embodies. Take her transformation into young Rhaenyra Targaryen, for instance—she sported a unique Targaryen hairstyle, a pale complexion, and period-appropriate makeup.
So, any claims about Alcock having altered her teeth should be taken with a grain of salt unless she or a credible source confirms it.
Milly Alcock in House of the Dragon
Milly Alcock shot to international fame after her role as Princess Rhaenyra Targaryen in the first season of HBO’s House of the Dragon.
This series serves as a prequel to Game of Thrones, diving into the Targaryen family’s history long before the events of the original show.
In the series, Alcock portrays the younger version of Rhaenyra, while Emma D’Arcy takes on the role of the older Rhaenyra after a significant time jump. Alcock graced the screen in the first five episodes before the narrative jumped ahead by about a decade.
Her performance was hailed as one of the standout aspects of the show, earning her a nomination for a Critics’ Choice Television Award for Best Supporting Actress in a Drama Series.
This role not only put Alcock on the map for a global audience but also paved the way for her casting as Supergirl in the DC Universe.
Milly Alcock as Supergirl
Milly Alcock takes on the iconic role of Kara Zor-El, better known as Supergirl, in the DC Universe.
She made her first appearance as Supergirl in the 2025 film Superman, but it’s in James Gunn’s Supergirl, set to hit theaters in 2026, where she really steps into the spotlight.
Directed by Craig Gillespie, this film draws from the comic Supergirl: Woman of Tomorrow, showcasing a grittier and more rebellious version of Kara, shaped by the heart-wrenching loss of her home planet and her adventures throughout the galaxy.
To prepare for this demanding role, Alcock dedicated about two months to stunt training at Leavesden Studios. She learned the ropes of action, mastering punches, taking hits, falling, and executing those intense action sequences.
This role marks a significant shift from her previous character, Rhaenyra. Instead of a young Targaryen princess vying for her place in Westeros, Alcock’s Kara Zor-El is a Kryptonian superhero navigating the vast DC Universe.
Milly Alcock Net Worth
As for Milly Alcock’s financial standing, her estimated net worth is around $2 million as of 2026, according to Celebrity Net Worth.
Frequently Asked Questions About Milly Alcock
How old is Milly Alcock?
Milly Alcock is 26 years old in 2026. She was born on April 11, 2000, in Sydney, Australia.
What is Milly Alcock’s height?
According to IMDb, Milly Alcock stands at 5 feet 5 inches (1.65 meters) tall.
Does Milly Alcock have a husband?
No, as of 2026, Milly Alcock is not married. She is known to be in a relationship with Jo Powell, a chef based in London.
Who is Milly Alcock’s boyfriend?
Her boyfriend is Jo Powell, a London-based chef who runs a food project called Schoolnights. They made their first public appearance together on the red carpet at the 2026 BAFTAs.
Who are Milly Alcock’s parents?
Milly’s mother is named Emma. She tends to keep her family life private but has shared how supportive her mother has been throughout her journey.
Where is Milly Alcock from?
Milly Alcock hails from Sydney, Australia, and she grew up in Petersham, located in Sydney’s inner west.
What is Milly Alcock’s ethnicity?
Public sources indicate that Alcock is Australian, with some biographical references noting her European roots, including English, Irish, and Scottish heritage. However, detailed information about her ancestry is somewhat limited.
What did Milly Alcock play in House of the Dragon?
In the first season of HBO’s House of the Dragon, she portrayed the young Princess Rhaenyra Targaryen, while Emma D’Arcy took on the role of the adult version of the character.
Who does Milly Alcock play in Supergirl?
Milly Alcock plays Kara Zor-El, also known as Supergirl, in the DC Universe. She made a brief appearance as the character in Superman before taking on the lead role in Supergirl.
Did Milly Alcock finish high school?
No, she attended Newtown High School of the Performing Arts but left during Year 12 after landing a role in Upright.
What is Milly Alcock’s net worth?
As of 2026, Celebrity Net Worth estimates Milly Alcock’s net worth to be around $2 million, although this figure hasn’t been independently verified.
