Milly Alcock, the Australian actress who captured global attention as young Rhaenyra Targaryen in House of the Dragon, is now preparing for one of the most anticipated roles in superhero cinema: Kara Zor-El, also known as Supergirl. At 24, her career has already spanned nearly a decade, but many questions remain about her background, personal life, and the physical changes fans have observed.
Born Amelia May Alcock on April 11, 2000, in Sydney, Australia, she began acting at 14 and dropped out of school to pursue the craft. Her steady rise through Australian television led to a breakout HBO role, and by 2026 she will headline her own DC Universe film. Yet public curiosity extends beyond her filmography—who is she dating, did she alter her appearance, and what is her net worth? This article assembles verified facts while clearly marking what remains unconfirmed.
How Old Is Milly Alcock and What Is Her Background?
At a Glance
Key Insights
- Milly Alcock was born April 11, 2000, making her 24 years old (as of 2025). Her real name is Amelia May Alcock.
- She gained global fame as young Rhaenyra Targaryen in HBO’s House of the Dragon before landing the role of Supergirl in James Gunn’s DC Universe, slated for release June 2026.
- Public curiosity is high regarding her personal life; there is no confirmed husband, boyfriend, or public partner as of 2025.
- A recurring fan topic is her teeth—photos from her younger years show a different smile than her current appearance, leading to speculation about cosmetic dentistry.
- Her ethnicity is often searched; Milly Alcock is of Australian descent (no publicly specified ethnic minority background).
Snapshot Facts
| Attribute | Detail |
|---|---|
| Full Name | Amelia May Alcock |
| Stage Name | Milly Alcock |
| Date of Birth | April 11, 2000 |
| Age (as of 2025) | 24 |
| Place of Birth | Sydney, Australia |
| Nationality | Australian |
| Height | Approximately 5 ft 4 in (163 cm) – varies between sources |
| Occupation | Actress |
| Years Active | 2017–present |
| Famous For | Young Rhaenyra Targaryen, Supergirl |
| Awards | AACTA Award nominee (Best Comedy Performer – Upright) |
| Upcoming | Supergirl (2026), Sirens (Netflix, 2025) |
Who Is Milly Alcock’s Husband? Is She Dating?
Milly Alcock is currently single and not married. As of recent reports, she has not confirmed a boyfriend, keeping her relationship status private. There is no public record of a husband. Multiple sources, including Capital FM and Yahoo Entertainment, state that she is unattached and has not been linked to any partner in a confirmed way.
Like many young actors, Alcock has chosen to keep her personal life out of the public eye. While fans often speculate about relationships, no official statements about a boyfriend or dating have been made.
What Movies and TV Shows Has Milly Alcock Starred In?
Her career spans a decade of steady Australian television work before international fame. Here is the full list of verified credits.
Movies
- The School (2018)
- Superman (2025, uncredited cameo as Supergirl)
- Supergirl (2026, lead role)
- Thumb (TBA)
TV Series
- Wonderland (2014)
- A Place to Call Home (2013)
- Janet King (2014)
- Pine Gap (2018)
- Fighting Season (2018)
- Les Norton (2019)
- Reckoning (2019)
- The Gloaming (2020)
- Upright (2019–2022)
- House of the Dragon (2022–2024)
- Sirens (2025)
Her role as Meg in the Foxtel comedy-drama Upright earned her an AACTA nomination. In House of the Dragon, she played young Rhaenyra Targaryen, a performance that critics praised and that led to a Critics’ Choice Award nomination. You can explore her full filmography on IMDB.
Her casting as Supergirl was announced in 2024, making her the first major new character in James Gunn and Peter Safran’s DC Universe. The film is scheduled for June 25, 2026.
When Is Milly Alcock’s Supergirl Movie Releasing in 2026?
The upcoming DC film Supergirl is set to hit theaters on June 25, 2026, including IMAX screenings. Alcock plays Kara Zor-El, the cousin of Superman, in a story that will reintroduce the character to the big screen. Before that, she made an uncredited cameo as Supergirl in the 2025 film Superman, directed by James Gunn. According to Parade, her casting was confirmed in early 2024, and production is underway.
Did Milly Alcock Change Her Teeth? What Fans Are Asking
A recurring online question concerns whether Milly Alcock underwent dental work. Photos from her earlier years, including roles in Wonderland and Upright, show a different tooth alignment compared to recent images. However, no public statement from Alcock or her representatives has addressed this. Any changes may be due to natural maturation, makeup, or cosmetic dentistry, but it remains speculation.
Internet discussions about Alcock’s smile are based on visual comparison only. Without an official confirmation, assertions about veneers or other procedures are not verified. Her physical transformation for House of the Dragon—including silver wigs and specific makeup—may also contribute to perceived changes.
How Did Milly Alcock Become Famous and What Awards Has She Won?
Alcock’s rise to fame was gradual. She began acting at 14 in Australian TV, with minor roles in Wonderland and A Place to Call Home. Her big break came in 2019 when she was cast as Meg in the Foxtel series Upright alongside Tim Minchin. That performance earned her an AACTA nomination for Best Comedy Performer in 2020.
In 2022, she was cast as young Rhaenyra Targaryen in HBO’s House of the Dragon, a role that made her a global star. She received a Critics’ Choice Award nomination for Best Supporting Actress in a Drama Series. According to multiple sources, she also won the Casting Guild of Australia Rising Star Award in 2018.
Her estimated net worth ranges between $1 million and $2 million, reflecting her rise from Australian TV to Hollywood headliner. These figures are not officially confirmed, but are cited by entertainment finance trackers like Healthy Celeb.
What Is Milly Alcock’s Career Timeline?
- : Born Amelia May Alcock in Sydney, Australia.
- : First credited acting role in A Place to Call Home and High Life.
- : Cast in Foxtel comedy-drama Upright alongside Tim Minchin, earning AACTA nomination.
- : Cast as young Rhaenyra Targaryen in HBO’s House of the Dragon, becoming a global breakout star.
- : Cast as Kara Zor-El / Supergirl in James Gunn & Peter Safran’s new DC Universe.
- : Starring in Netflix series Sirens; anticipation builds for Supergirl premiere.
- : Scheduled release of Supergirl.
What Is Known and What Is Speculative About Milly Alcock?
Separating confirmed facts from speculation is important for a balanced view of any public figure. The table below summarises the current state of knowledge.
| Established Information | Unconfirmed / Speculative |
|---|---|
| Birth date and age (April 11, 2000) | Husband, boyfriend, or relationship status (no public confirmation of marriage or partner) |
| Roles in Upright, House of the Dragon, and Supergirl (2026) | Teeth alteration (no public statement from Alcock or representatives about cosmetic dental work; based on visual comparison only) |
| AACTA Award nomination | Exact height (generally reported as 5’4″ but varies slightly between sources) |
| Active presence on Instagram (@millyalcock) | Exact net worth (no verified financial disclosure; estimates only) |
What Does Milly Alcock’s Career Trajectory Tell Us?
Alcock’s rise is a classic example of an “overnight success” that required years of steady work. She moved from minor Australian TV roles to the lead in a global franchise within a decade. Her casting as Supergirl is particularly significant because it marks the first major DC Universe movie of the Gunn/Safran era, making her a cornerstone of the new superhero franchise. This trajectory resembles that of other young genre stars such as Daisy Ridley and Jenna Ortega, who transitioned from smaller projects to franchise leads.
Her relative privacy about personal matters is typical for actors in the spotlight, but Alcock has maintained a higher degree of separation than many peers, rarely giving interviews about her dating life or appearance.
Where to Find Reliable Information About Milly Alcock?
For readers seeking verified data, the most authoritative sources include Wikipedia for biographical details and filmography, IMDB for credited roles, and her official Instagram page for personal statements and updates. The AACTA Awards website confirms her nomination for Upright. Fan communities on TikTok and other social platforms often discuss her work, but these are not official primary sources.
“She’s an incredible talent and we’re thrilled to have her as our Supergirl.” – James Gunn, as reported by multiple outlets.
– Director James Gunn on Milly Alcock’s casting
Why Is Milly Alcock a Rising Star Worth Watching?
At just 24, Milly Alcock has already delivered two career-defining performances—first as young Rhaenyra Targaryen, then as the new Supergirl. With a major DC film on the horizon in 2026 and a Netflix series in 2025, she is poised to become one of the most visible actors of her generation. While personal details remain private, her professional trajectory is clear: she is a versatile actress who has earned her place in the spotlight through consistent work and standout roles. For a look at another performer navigating a similar path, read about Katherine McNamara – Movies, Age, Husband and Complete Bio 2025.
Frequently Asked Questions About Milly Alcock
What is Milly Alcock’s net worth?
Exact net worth is not publicly verified. Estimates range from $500,000 to $3 million, but no official confirmation.
Where is Milly Alcock from?
She was born and raised in Sydney, Australia.
Does Milly Alcock have any siblings?
There is limited public information about siblings. Wikipedia does not list siblings in the current article.
Is Milly Alcock on TikTok?
The primary TikTok account @milly.alcock is a fan account (stated ‘Not Milly’). She does not have an official verified TikTok.
What is Milly Alcock’s height in feet?
She is approximately 5 feet 4 inches (163 cm) tall, per multiple biographical sources.
Is Milly Alcock married?
No. She is not married and there is no public record of a husband.
What is Milly Alcock’s role in House of the Dragon?
She played young Rhaenyra Targaryen in Season 1 (2022).
When is the Supergirl movie coming out?
June 25, 2026, according to current announcements.
Did Milly Alcock have a teeth transformation?
No official confirmation. Any changes are based on visual comparison only; no statement has been made.
What award did Milly Alcock win?
She won the Casting Guild of Australia Rising Star Award (2018) and was nominated for an AACTA and a Critics’ Choice Award.
Freddie Arthur Cooper Harrison is Editor-in-Chief of PopCulture UK, covering film, TV, music and celebrity news. He is accountable for the newsroom's editorial standards, and leads its sourcing and fact-checking process so that every article separates verified fact from rumour and is reviewed before publication.