Milly Alcock (born Amelia May Alcock) is an Australian actress who rose to global fame for her breakout role as young Rhaenyra Targaryen in HBO’s fantasy series House of the Dragon (2022). Her confident screen presence, emotional range, and sharp dialogue delivery made her one of the most talked-about newcomers in international television.
Milly Alcock has successfully transitioned from Australian television to Hollywood and is set to play Supergirl (Kara Zor-El) in the DC Universe film Supergirl: Woman of Tomorrow, scheduled for release in 2026. She is widely regarded as one of the most promising actresses of her generation.
Milly Alcock Wiki/Bio
| Field | Details |
| Full Name | Amelia May Alcock |
| Date of Birth | April 26, 2000 |
| Age | 26 Years |
| Profession | Actress |
| Birthplace | Sydney, New South Wales, Australia |
| Nationality | Australian |
| Zodiac Sign | Taurus |
| Marital Status | Unmarried |
| Boyfriend | Not publicly known |
| Children | None |
| Current Residence | Los Angeles, California, USA |
| https://instagram.com/millyalcock |
Physical Details
| Feature | Information |
| Height | 5’5” (165 cm) |
| Weight | Approx. 52 kg |
| Eye Color | Blue |
| Hair Color | Light Brown (often dyed blonde for roles) |
| Build | Slim |
Early Life
Milly Alcock was born on April 26, 2000, in Sydney, Australia, and grew up in a supportive family environment that encouraged creativity. From a young age, she showed a strong interest in acting and performance. She began acting at around 10 years old, participating in school plays and local productions.
Her natural talent became evident early, leading her to professional auditions while still in school. Milly balanced her education with acting commitments, a discipline that shaped her confidence and work ethic.
Education
Milly Alcock attended Loreto Kirribilli, a Catholic girls’ school in Sydney. During her teenage years, she also completed short acting courses and workshops with Australia’s National Institute of Dramatic Art (NIDA).
She chose not to pursue university education, instead committing fully to her acting career at a young age.
Family Details
Milly Alcock comes from a private Australian family. Her parents are not public figures, and she has intentionally kept details about them and her siblings out of the spotlight.
As of 2025, Milly is single, has no children, and keeps her personal relationships largely private, focusing on her career and close circle of friends.
Career Highlights
Milly Alcock made her television debut in the Australian series Wonderland (2013). She gained critical recognition for her performance as Meg in Upright (2019), starring opposite Tim Minchin.
Her international breakthrough came in 2022 when she was cast as young Rhaenyra Targaryen in House of the Dragon, a role that earned her global recognition and critical praise. Her performance was widely applauded for its authority, vulnerability, and complexity.
In 2024–2025, Milly was officially announced as the new Supergirl in James Gunn’s DC Universe, landing the lead role in Supergirl: Woman of Tomorrow, directed by Craig Gillespie.
Career Milestones
| Year | Milestone |
| 2013 | TV debut in Wonderland |
| 2019 | Breakthrough role in Upright |
| 2022 | Global fame with House of the Dragon |
| 2023 | Critics’ Choice nomination |
| 2025 | Cast as Supergirl in DCU |
| 2026 | Supergirl: Woman of Tomorrow release |
Net Worth & Income
| Category | Details |
| Estimated Net Worth | $3–5 million (2025) |
| Annual Income | $1 million+ |
| Income Sources | Acting, endorsements, brand campaigns |
Her DCU role is expected to significantly increase her earnings in the coming years.
Awards & Recognition
- Critics’ Choice Television Award nomination – Best Supporting Actress (House of the Dragon, 2023)
- AACTA Award nomination – Best Lead Actress (Upright, 2020)
- Listed among Hollywood’s Rising Stars by Variety and The Hollywood Reporter