Milly AlcockMilly Alcock

Milly Alcock Biography and Wiki

Milly Alcock is an Australian actress best known for portraying young Princess Rhaenyra Targaryen in the hit HBO series House of the Dragon. She began her career in Australian television before gaining international recognition through her breakout role in the Game of Thrones prequel. Alcock has since emerged as one of Hollywood’s rising stars, earning acclaim for her natural performances and landing the coveted role of Supergirl in the new DC Universe.

Quick Facts

  • Full Name: Amelia May Alcock
  • Known As: Milly Alcock
  • Profession: Actress
  • Nationality: Australian
  • Birthplace: Sydney, New South Wales, Australia
  • Birthday: April 11, 2000
  • Age: 26 years old (as of 2026)
  • Zodiac Sign: Aries
  • Height: 5 feet 5 inches (165 cm)
  • Weight: Approximately 52 kg (115 lbs)
  • Education: Newtown High School of the Performing Arts
  • Parents: Emma Alcock and father whose name has not been publicly disclosed
  • Marital Status: Unmarried
  • Children: None
  • Famous For: Playing Rhaenyra Targaryen in House of the Dragon
  • Net Worth: Estimated $2 millionโ€“$4 million (2026)

Milly Alcock Age and Birthday

Milly Alcock was born on April 11, 2000, in Sydney, New South Wales, Australia. She is 26 years old as of 2026 and celebrates her birthday on April 11 each year. Her zodiac sign is Aries.

Milly Alcock Height and Weight

Alcock stands at approximately 5 feet 5 inches (165 cm) tall and weighs around 52 kg (115 lbs). She has blonde hair and blue eyes.

Education

Milly Alcock attended Stanmore Public School in Sydney before enrolling at Newtown High School of the Performing Arts, where she developed her passion for acting and performance. Her interest in the craft began at a young age after appearing in a school production of Little Red Rocking Hood.

Milly Alcock Parents
Milly Alcock with her Mother.

In 2018, Alcock left high school to pursue acting full-time after landing a leading role in the acclaimed Australian drama series Upright, a decision that helped launch her professional career.

Milly Alcock Parents

Amelia May Alcock was raised in Sydney by her mother, Emma Alcock, alongside her two brothers. While she has occasionally spoken about her family life, she generally keeps details about her parents private and has not publicly revealed her father’s identity.

Milly Alcockย Husband/Partner

Milly Alcock is not married as of 2026. She is reportedly in a relationship with London-based chef Joseph โ€œJoโ€ Powell, who operates the food project Schoolnights Ltd. and has a professional background in the hospitality industry.

Milly Alcock Dating
Milly Alcock and Boyfriend Joseph โ€œJoโ€ Powell

The couple kept their relationship largely private before attracting public attention during the 2026 BAFTA Awards, where they made a red-carpet appearance together in London. Their romance had previously been hinted at in late 2025 when both Alcock and Powell shared matching black-and-white photo booth images on social media that included a kiss, leading fans to speculate about their relationship. Despite the public interest, Alcock continues to keep much of her personal life out of the spotlight.

 

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Career

Amelia May Alcock began her acting career with guest appearances on Australian television, making her screen debut in Wonderland in 2014. During her early years in the industry, she also appeared in several national advertising campaigns and hosted Disney Channel Australia programs, gaining valuable on-screen experience. She went on to secure recurring roles in popular series such as Janet King, A Place to Call Home, Pine Gap, Fighting Season, and Les Norton, while also making her feature film debut in The School.

Her breakthrough came in 2019 when she starred as Meg Adams in the acclaimed Australian comedy-drama Upright. The performance earned widespread praise, a nomination for Best Comedy Performer at the AACTA Awards, and established her as one of Australia’s most promising young talents. She later reprised the role for the show’s second season and continued building her rรฉsumรฉ with notable appearances in The Gloaming and Reckoning.

Alcock achieved international fame in 2022 after being cast as the young Princess Rhaenyra Targaryen in HBO’s hit fantasy series House of the Dragon, the highly anticipated prequel to Game of Thrones. Her performance received critical acclaim worldwide and earned her a Critics’ Choice Television Award nomination, helping transform her into a global star.

Since then, Alcock has expanded her career beyond television, making her West End stage debut in The Crucible and appearing in Netflix’s dark comedy series Sirens alongside acclaimed actresses Julianne Moore and Meghann Fahy.

In 2024, she landed one of the biggest roles of her career when DC Studios cast her as Kara Zor-El, better known as Supergirl, in the new DC Universe. Following a brief introduction in Superman, she is set to headline Supergirl (2026), further cementing her status as one of Hollywood’s fastest-rising stars.

Milly Alcock Salary

Although her exact earnings have not been publicly disclosed, Milly Alcock is believed to earn a substantial income from television and film roles, endorsements, appearances, and other entertainment-related ventures.

Milly Alcock Net Worth

Milly Alcock has an estimated net worth of between $2 million and $4 million as of 2026. Her wealth primarily comes from her successful acting career, particularly her work in major television franchises and high-profile film projects.

Frequently ASked Questions About Milly Alcock

What is Milly Alcock’s ethnicity?

Amelia May Alcock is of white Australian ethnicity. She was born and raised in Sydney, New South Wales, Australia, and holds Australian nationality.

Why was Milly Alcock recast in House of the Dragon?

Milly Alcock was recast because the series includes a major time jump. She portrayed the younger version of Rhaenyra Targaryen, while Emma D’Arcy took over the role to portray the character as an adult.

Did Milly Alcock get her teeth fixed?

Amelia May Alcock has never publicly confirmed undergoing cosmetic dental work. While some observers have speculated about changes to her smile, there is no verified confirmation from Alcock herself.

Why does Milly Alcock look so different?

Her appearance may seem different due to natural aging, different hairstyles, makeup, wardrobe choices, and the styling required for various acting roles.

Does Milly Alcock have buck teeth?

There is no verified information indicating that Milly Alcock has buck teeth.

Is Milly Alcock a natural blonde?

Yes, Milly Alcock is naturally blonde, although her hair color may appear different depending on styling and acting roles.

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By Vic

Creative storyteller by day, passionate writer always. When not crafting compelling narratives, youโ€™ll find me hiking hidden trails. Blending imagination with experience, one page at a time.

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