Clara Stack is a young American actress who first caught the public’s attention with a small but memorable role in Marvel’s Hawkeye. Born in 2010, she has since built a filmography that includes Disney’s The Naughty Nine and the upcoming HBO horror prequel It – Welcome to Derry. Despite a growing social media following, verified biographical information about her remains limited.
Her career trajectory, from local theater at age four to leading roles in major streaming productions, reflects a rapid rise within the industry. Yet for many fans, basic details such as her exact age, height, and ethnicity remain unclear. Here is what is currently known based on credible sources.
How old is Clara Stack?
- Name: Clara Stack
- Date of Birth: October 19, 2010 (age 14–15 as of 2025)
- Known For: Hawkeye (2021), The Naughty Nine (2023), It: Welcome to Derry (2025)
- Instagram: @clarastacknyc (506K followers)
- Clara Stack is a young American actress born in 2010, with a growing filmography including major streaming series.
- Her breakout role was as an uncredited character in Marvel’s Hawkeye (2021), followed by Disney+ movie The Naughty Nine (2023).
- She is set to appear in the highly anticipated prequel series It: Welcome to Derry (2025).
- Despite her online presence (506K Instagram followers, 567K TikTok followers), verified personal details like ethnicity and height are not publicly confirmed.
- She began acting at age 4 in local theater and secured her first on-screen role at age 8.
| Category | Details |
|---|---|
| Full Name | Clara Stack |
| Birthdate | 19 October 2010 |
| Place of Birth | United States (assumed from nationality) |
| Nationality | American |
| Profession | Actress (child actress) |
| Years Active | 2021 – present |
| Notable Roles | Lilly Bainbridge (Hawkeye), The Naughty Nine, It: Welcome to Derry |
| Instagram Handle | @clarastacknyc |
| TikTok Handle | @clara.stack |
| Agent | CESD Talent (per Instagram bio) |
What movies and TV shows has Clara Stack appeared in?
Early work and first on-screen role
Clara Stack began acting at age 4 in local theater productions. Her first on-screen role came at age 8, and she soon landed guest appearances on network television. According to her IMDb profile, her television credits include episodes of Madam Secretary (2019), Bull (2019), and Almost Family (2019). A later guest role on The Marvelous Mrs. Maisel (2023) further expanded her resume.
Breakthrough in Hawkeye
Clara gained wider recognition for her role as Lilly Bainbridge — the younger version of Kate Bishop — in the Disney+ Marvel series Hawkeye (2021). Although uncredited in some sources, the part placed her within the Marvel Cinematic Universe and introduced her to a global audience.
Disney’s The Naughty Nine
In 2023, she played Rose, an animal expert, in the Disney Original film The Naughty Nine. The movie, which streamed on Disney+, gave her a lead supporting role and marked her first major family-film credit.
Clara Stack played Rose, described as an animal expert, in The Naughty Nine (2023). The film is a Disney Original that premiered on Disney+ and features a group of children who team up for a holiday heist.
Upcoming: It – Welcome to Derry
Clara’s most anticipated project to date is HBO’s It – Welcome to Derry, a prequel series set in Stephen King’s It universe. She has been cast in the lead role of Lilly Bainbridge. The series is expected to stream on HBO Max in 2025.
What is Clara Stack’s height and ethnicity?
Height
Official talent listings from CESD Talent, her agency, list her height as approximately 7 feet 11 inches to 8 feet 0 inches. This is widely understood to be a data-entry error — possibly meant to be entered in inches or misformatted for a child actor’s height. No verified height has been published in any biography or interview.
Ethnicity
Clara Stack’s ethnicity is not stated in any credible source. Her biographies on FamousBirthdays and the Scots Wikipedia describe her as an American actress born in New York City, but neither source specifies her ethnic background. Because this information has not been publicly confirmed by Clara or her representatives, it remains unverified.
Does Clara Stack have a boyfriend?
There is no public information regarding Clara Stack’s relationship status. Her online presence focuses on her career, family, and personal hobbies. As a minor — she turned 14 in October 2024 and will be 15 in October 2025 — personal details of this nature are typically kept private by her family and management.
Clara Stack is a minor. No credible reports or statements about a boyfriend exist in any interview, biography, or social media post. Her profiles emphasize acting, drawing, singing, and spending time with her twin sister and cats.
Online speculation about Clara Stack’s romantic life has no basis in verified sources. Readers should treat any claims about a boyfriend as unsubstantiated unless confirmed by Clara or her representatives.
When did Clara Stack’s career begin?
- 19 October 2010 — Clara Stack is born in New York City.
- 2021 — Appears in Marvel’s Hawkeye as a young Kate Bishop (credited as Lilly Bainbridge).
- 2022–2023 — Guest roles on Madam Secretary, Bull, and Almost Family (per FamousBirthdays).
- 2023 — Stars as Rose in Disney+ film The Naughty Nine.
- 2025 — Upcoming lead role in HBO’s It: Welcome to Derry.
What is known and unknown about Clara Stack?
| Established information | Information that remains unclear |
|---|---|
| Birthdate is 19 October 2010, stated on Scots Wikipedia | Height has not been publicly disclosed in any reliable source |
| Filmography includes Hawkeye (2021), The Naughty Nine (2023), It: Welcome to Derry (2025) | Ethnicity is not stated in any credible or official source |
| Instagram handle is @clarastacknyc with over 506,000 followers | No confirmed relationship information (boyfriend) |
| Agent is CESD Talent | No standard English Wikipedia page exists (only Scots version) |
Who is Clara Stack in the entertainment industry?
Clara Stack is an emerging child actress whose career began with high-profile projects such as Marvel’s Hawkeye and Disney’s The Naughty Nine. She is now building momentum with a lead role in the upcoming horror prequel It: Welcome to Derry. Her social media following — more than 506,000 on Instagram and over 567,000 on TikTok — indicates strong public interest, but formal biographical sources remain sparse.
The lack of an English Wikipedia page and of official statements about personal details leaves gaps that can be filled only by consolidating available verified facts. Her twin sister Maggie Stack is often mentioned as her closest companion, and her parents Eoin and Amanda Stack have kept a relatively low public profile.
For readers interested in other young performers, the biography of Alisha Weir – Age, Films, and 2025 Career Update offers a similar profile of a rising child actress. Meanwhile, Tom Blyth – Biography, Age, Height and Hunger Games Role provides context on another actor who gained fame through a major franchise.
Where can readers find verified information about Clara Stack?
Clara Stack is known for It: Welcome to Derry (2025), The Naughty Nine (2023) and Hawkeye (2021).
— IMDb profile
Clara Stack (born 19 October 2010) is an American actress. She begound her career as a bairn actress an is best kent fur her role as Lilly Bainbridge in the HBO…
— Scots Wikipedia
@cesdtalent
— Instagram bio (@clarastacknyc)
Her Instagram account and TikTok profile are the most direct sources of personal updates, though they focus on career and hobbies rather than biography.
What is the complete picture of Clara Stack’s biography?
Clara Stack is a 14-year-old American actress born on October 19, 2010, in New York City, known for roles in Hawkeye, The Naughty Nine, and the upcoming It: Welcome to Derry. She has a twin sister named Maggie, owns two cats, and enjoys drawing, singing, and crocheting. Her social media following is substantial, but verified personal details such as height, ethnicity, and relationship status remain unconfirmed. For a similar profile of another young actress, see Alisha Weir – Age, Films, and 2025 Career Update.
Frequently asked questions about Clara Stack
Is Clara Stack on TikTok?
Yes, her TikTok handle is @clara.stack with over 567,000 followers.
What is Clara Stack’s height?
Her height has not been publicly disclosed by any reliable source. A listing from CESD Talent showing 7’11” is believed to be a data error.
What is Clara Stack’s ethnicity?
Ethnicity is not officially confirmed; no interviews or bios mention it.
Does Clara Stack have a boyfriend?
There are no credible reports or statements about her relationship status. As a minor, personal details are likely private.
Is there a Clara Stack Wikipedia page?
Yes, on the Scots Wikipedia (sco.wikipedia.org), but there is no English Wikipedia article as of 2025.
What is Clara Stack’s most famous role?
She is best known for playing a young Kate Bishop (credited as Lilly Bainbridge) in Marvel’s Hawkeye (2021) on Disney+.
Does Clara Stack have siblings?
Yes, she has a twin sister named Maggie Stack, who is also her best friend.
What are Clara Stack’s hobbies?
She enjoys drawing, creating original characters, singing, learning to crochet, bullet journaling, swimming, and playing table tennis.
When was Clara Stack born?
She was born on October 19, 2010, in New York City.
What is Clara Stack’s next project?
She is set to star in HBO’s It: Welcome to Derry (2025), a prequel series set in Stephen King’s It universe.
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David Harwood is Editor-in-Chief at Headlines UK, overseeing editorial policy, corrections, standards and publication decisions across UK news coverage.