Milly Alcock

Actress

In an exclusive interview with IMDb, "Sirens" stars Milly Alcock and Meghann Fahy revealed behind-the-scenes insights on their new Netflix series, with Alcock also addressing her journey into the DC Universe as Supergirl.

The duo, who play sisters in "Sirens," discussed the show's tonal balance between comedy and drama. Fahy highlighted a standout physical comedy scene, saying, "The wetsuit moment was really leaning into the physical comedy in a way that I was so excited by." She praised the script's ability to swing from "a big comedic moment" to "a real moment between these two sisters."

Alcock, fresh off wrapping her role as Supergirl, reflected on the surreal experience of donning the iconic suit. "Putting on the suit was really surreal and then it just kind of got really annoying," she quipped. The "House of the Dragon" breakout star also discussed mastering an American accent for "Sirens," noting the words that proved most challenging.

Plus both actresses shared why the classic movies 'Annie' and 'Matilda' had a big influences on them both and inspired them to act.

Play clip4:06

Meghann Fahy, Milly Alcock Talk "Sirens," Supergirl and Inspiring Roles

Milly Alcock is an Australian actress who catapulted to global fame after starring as young Rhaenyra Targaryen in the first season of the HBO television series House of the Dragon (2022), a prequel to HBO's Game of Thrones (2011). For the role, Alcock received a nomination for Critics' Choice Television Award for Best Supporting Actress in a Drama Series. She is also known for Upright (2019), for which she was nominated for Best Comedy Performer at the 10th AACTA Awards. She's appeared in TV shows Janet King (2017), A Place to Call Home (2018), Pine Gap (2018), Fighting Season (2018), Les Norton (2019), Reckoning (2019), and The Gloaming (2020).

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Awards
- 1 win & 7 nominations total

Photos108

+ 101

Known for

Upright

8.4

TV Series

Meg Adams
Meg

House of the Dragon

8.3

TV Series

Young Rhaenyra Targaryen
Princess Rhaenyra Targaryen

Furlough

7.0

Short

Ella

2020

Credits

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IMDbPro

Actress

Sirens
7.0
TV Mini Series
- Simone DeWitt
- 2025
House of the Dragon
8.3
TV Series
- Young Rhaenyra Targaryen
- Princess Rhaenyra Targaryen
- 2022–2024
Upright
8.4
TV Series
- Meg Adams
- 2019–2022
Furlough
7.0
Short
- Ella
- 2020
The Familiars
6.6
Short
- Alison
- 2020
Reckoning
6.6
TV Mini Series
- Sam Serrato
- 2019–2020
The Gloaming
6.6
TV Mini Series
- Jenny McGinty
- 2020
Les Norton
7.2
TV Mini Series
- Sian Galese
- 2019
Fighting Season
7.0
TV Mini Series
- Maya Nordenfelt
- 2018
Pine Gap
7.2
TV Mini Series
- Marissa Campbell
- 2018
A Place to Call Home
8.3
TV Series
- Emma Carvolth
- 2018
The School
4.0
- Jien
- 2018
Janet King
7.7
TV Series
- Cindi Jackson
- 2017
High Life
6.9
TV Mini Series
- Isabella Barrett
- 2017
Wonderland
7.7
TV Series
- Teen Girl 1
- 2014

Videos15

Clip 4:06

Meghann Fahy, Milly Alcock Talk "Sirens," Supergirl and Inspiring Roles

Fixing the Iron Throne: "House of the Dragon" Cast on Their Ideal Royal Seat

Clip 2:34

Casting the "House of the Dragon" Parody on "Sesame Street"

Clip 2:51

The "House of the Dragon" Cast Pick Their Roles at a Family Dinner

Clip 1:50

All About Milly Alcock

Personal details

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Official site
- Instagram
Height
- 5′ 5″ (1.65 m)
Born
- April 11, 2000
- Sydney, Australia
Relatives
Other works
Stage Play: The Crucible - playing Abigail Williams, at the Gielgud Theatre, London, England