Clara Stack is a young American actress who has already built an impressive résumé alongside some of Hollywood’s biggest franchises. Known for playing Little Kate Bishop in Marvel’s Hawkeye and Rose in the Disney+ film The Naughty Nine, she is now set to appear in the highly anticipated HBO Max series It: Welcome to Derry.
Born on October 19, 2010, Stack began acting at age 4 in local stage productions, according to Disney’s official bio. Her first television appearances came in 2019, with guest roles on Madam Secretary, Bull, and Almost Family. Within two years, she had joined the Marvel Cinematic Universe.
Despite her growing visibility, much of her personal life remains private. Stack maintains a significant Instagram following of roughly 509,000, but verified details about her height, ethnicity, and family background are limited. She is represented by CESD Talent, a credible agency that lends authority to her professional trajectory.
How Old Is Clara Stack?
Quick Profile Overview
Key Insights
- Clara Stack was born on October 19, 2010, making her 15 years old as of 2025, according to TV Insider and Famous Birthdays.
- She gained wide visibility from her role as Little Kate Bishop in the Marvel series Hawkeye.
- Her upcoming role in the IT prequel It: Welcome to Derry (2025) is expected to raise her profile further.
- Her official Instagram account, @clarastacknyc, has more than half a million followers, indicating strong fan engagement.
- Personal details such as her height, ethnicity, and relationship status are not publicly confirmed through authoritative sources.
- There is no Wikipedia page for Clara Stack; the most reliable sources are IMDb and her talent agency representation.
Snapshot Facts
| Attribute | Details |
|---|---|
| Age | 15 years old (born October 19, 2010) |
| Height | Not publicly disclosed |
| Ethnicity | Not officially stated |
| Boyfriend | Not publicly known |
| Instagram Handle | @clarastacknyc |
| Instagram Followers | ~509K (2025) |
| Notable TV Shows | Hawkeye (2021), Madam Secretary, Bull, It: Welcome to Derry (2025) |
| Notable Movie | The Naughty Nine (2023) |
| Talent Agency | CESD Talent |
Clara Stack began acting at age 4 in local productions, as noted by Disney. Her early screen credits include a 2019 guest role on Madam Secretary, followed by appearances on Bull and Almost Family the same year. By 2021 she had joined the cast of Marvel’s Hawkeye on Disney+, playing a younger version of Kate Bishop. In 2023 she starred as Rose, an animal expert with a big heart, in the Disney+ film The Naughty Nine. Most recently, she appeared as Francesca on The Marvelous Mrs. Maisel and is set to play Lilly Bainbridge in the upcoming 2025 HBO Max series It: Welcome to Derry.
What Movies and TV Shows Has Clara Stack Starred In?
Early Television Work (2019)
Stack’s first credited screen roles all came in 2019. She played Corra on CBS’s Madam Secretary, Hannah Kelly on Bull, and Esther on Fox’s Almost Family. These guest appearances gave her early experience working on network television sets and helped establish her footing in the industry.
Marvel Cinematic Universe: Hawkeye (2021)
In 2021, Stack appeared as Little Kate Bishop in the Disney+ series Hawkeye. The role placed her within the Marvel Cinematic Universe, one of the largest entertainment franchises in the world. While her screen time was limited, the exposure introduced her to a global audience.
Disney+ Film: The Naughty Nine (2023)
Stack played Rose in the Disney+ original film The Naughty Nine, released in 2023. Disney describes Rose as an animal expert with a big heart. The role marked Stack’s first leading part in a feature-length film and remains her most prominent movie credit to date.
It: Welcome to Derry (2025)
Stack is cast as Lilly Bainbridge in It: Welcome to Derry, an HBO Max series that serves as a prequel to the IT films. The show is expected to premiere in 2025 and represents a major step forward in her career, moving into a high-profile horror franchise.
According to IMDb, Clara Stack has seven credited screen roles between 2019 and 2025. Her filmography spans network dramas, a major streaming franchise, a Disney+ original film, and an upcoming horror prequel. All of her credits, except the theatrical film The Naughty Nine, are television roles.
Other Notable Appearances
In 2023, Stack also appeared as Francesca on the acclaimed Amazon series The Marvelous Mrs. Maisel. The show, set in the 1950s and 1960s, added another high-quality credit to her résumé. Her ability to work across genres — from superhero action to period comedy to horror — demonstrates a versatility uncommon for an actress her age.
Does Clara Stack Have a Wikipedia Page?
As of 2025, Clara Stack does not have a dedicated Wikipedia page. The most comprehensive biographical information is available on IMDb, which lists her full filmography and known roles. Famous Birthdays provides basic details such as her birth date and family information, but it is a user-submitted platform and not considered a fully authoritative source.
Her official Instagram account is linked to CESD Talent, the agency that represents her, which serves as a credible signal of her professional status. However, no single source offers a complete, verified biography. TV Insider and Rotten Tomatoes offer summaries of her career highlights but do not include personal data like height or ethnicity.
The absence of a Wikipedia page is not unusual for a young actress whose public profile is still developing. As she takes on more prominent roles and attracts media coverage, a Wikipedia entry may be created if notability guidelines are met.
The most trustworthy sources for Clara Stack’s career information are IMDb for filmography, Rotten Tomatoes for reviews and credits, and her talent agency CESD Talent for professional representation. Personal details such as age, height, and ethnicity are not confirmed by any of these official channels.
What Is Clara Stack’s Instagram Presence?
Clara Stack maintains an active Instagram account under the handle @clarastacknyc. As of early 2025, her follower count stands at approximately 509,000 — a substantial number for a young actress with a relatively short list of major credits. Her bio links directly to CESD Talent, confirming the account is professionally managed.
The account features a mix of personal photos, behind-the-scenes content from her acting projects, and promotional posts. Her posts tend to generate strong engagement, particularly around announcements related to The Naughty Nine and It: Welcome to Derry. Fan accounts, including some that repost her content, have also emerged, though they are unofficial and carry low authority.
No verified information is available about how many followers she had before 2025, nor is there a confirmed second account or alternative social media presence on platforms like TikTok or X (formerly Twitter). Her Instagram presence remains her primary public-facing channel.
Several Instagram accounts repost content from Clara Stack without being officially affiliated with her. These fan pages are not verified and should not be treated as authoritative sources of information about her career or personal life. The only confirmed account is @clarastacknyc, which is linked to CESD Talent.
When Did Clara Stack Begin Her Acting Career?
- 2014 (age 4): Clara Stack begins acting in local theater productions, according to Disney’s official bio.
- 2019: Makes her television debut with guest roles on Madam Secretary (CBS), Bull (CBS), and Almost Family (Fox).
- 2021: Appears as Little Kate Bishop in Hawkeye on Disney+, her first role in a major franchise.
- 2023: Stars as Rose in the Disney+ original film The Naughty Nine, her first leading film role.
- 2023: Plays Francesca on Amazon’s The Marvelous Mrs. Maisel.
- 2025 (upcoming): Cast as Lilly Bainbridge in HBO Max’s It: Welcome to Derry, a prequel to the IT films.
What Is Known and Unknown About Clara Stack?
| Established Information | Information That Remains Unclear |
|---|---|
| Clara Stack is an American actress with credited roles on IMDb. | Exact age and birth date are not confirmed by official sources, though TV Insider and Famous Birthdays list October 19, 2010. |
| She appears in Hawkeye, The Naughty Nine, The Marvelous Mrs. Maisel, and the upcoming It: Welcome to Derry. | Height and physical measurements have not been provided by any verified source. |
| Her Instagram account @clarastacknyc is linked to CESD Talent, confirming professional representation. | Ethnicity and family background have not been officially stated. |
| She has over 509,000 followers on Instagram as of 2025. | Relationship status or boyfriend is not publicly known; no reliable information exists. |
| Famous Birthdays lists her parents as Eoin and Amanda Stack and says she has a twin sister named Maggie Stack. | A Wikipedia page does not exist; biographical details are limited to fan sites and user-submitted databases. |
How Did Clara Stack Rise to Fame?
Clara Stack is a young American actress who has quickly built a résumé in major television and film projects. Her casting in Hawkeye gave her exposure within the Marvel Cinematic Universe, and the upcoming It: Welcome to Derry signals continued growth into high-profile genre television. The lack of an official Wikipedia entry and verified personal data suggests her public profile is still developing.
Her significant Instagram following — roughly 509,000 — indicates strong audience engagement, likely driven by her fan base and the visibility of her Marvel role. As of 2025, she is represented by CESD Talent, a credible agency that lends authority to her career trajectory. Her career is still in an early but promising phase, with the potential for more leading roles and broader media coverage in the years ahead.
The rise of young actresses in franchise entertainment is a well-documented trend. For comparison, actresses like Meg Donnelly – Age, Movies, and Broadway Debut in 2025 and Amber Midthunder – Biography, Age, Height and Career have followed similar paths from television guest roles to franchise-leading parts. Stack appears to be on a comparable trajectory.
Where Can You Find Reliable Information About Clara Stack?
“Clara Stack is an American child actress best known for Lilly Bainbridge in It: Welcome to Derry, Rose in The Naughty Nine, and Little Kate Bishop in Hawkeye.”
“Clara Stack began acting at a young age; Disney says she started acting at age 4 in local productions.”
— DetPress / Disney Kids & Family bio
“Rose is an animal expert with a big heart.”
— Disney, describing Clara Stack’s character in The Naughty Nine
The most authoritative sources for Clara Stack’s career information include Clara Stack on IMDb for filmography, Clara Stack on Rotten Tomatoes for reviews and credit summaries, and Clara Stack’s official Instagram for her own personal updates. Clara Stack on Famous Birthdays provides family details, though the platform is user-submitted. Her representation is through CESD Talent.
What Does the Future Hold for Clara Stack?
Clara Stack is at an early but promising stage in her acting career. Her upcoming role in It: Welcome to Derry on HBO Max is expected to raise her profile significantly in 2025. As her visibility increases, more personal details such as her age, birthplace, and family background may emerge through media interviews and verified profiles. A Wikipedia page could be created if notability criteria are met, and her growing Instagram following may lead to brand partnerships or influencer collaborations. For now, her career trajectory mirrors that of other rising young actresses, such as Meg Donnelly – Age, Movies, and Broadway Debut in 2025, who have successfully transitioned from guest roles to leading parts in major productions.
Frequently Asked Questions
What is Clara Stack’s height?
Not publicly disclosed. No verified source has provided a reliable measurement.
What is Clara Stack’s ethnicity?
Not officially confirmed. She is identified as American, but no statement about her ethnic background has been made.
Does Clara Stack have a boyfriend?
Her relationship status is not publicly known. No reliable information about a boyfriend or dating life exists.
How many Instagram followers does Clara Stack have?
Approximately 509,000 as of early 2025. Her handle is @clarastacknyc.
What is Clara Stack’s role in Hawkeye?
She played Little Kate Bishop in the 2021 Disney+ series Hawkeye, part of the Marvel Cinematic Universe.
Is Clara Stack in It: Welcome to Derry?
Yes, she is cast as Lilly Bainbridge in the upcoming HBO Max series, a prequel to the IT films, expected in 2025.
Where is Clara Stack from?
Her birthplace has not been publicly confirmed by any authoritative source.
Does Clara Stack have siblings?
Famous Birthdays lists a twin sister named Maggie Stack. Parents are identified as Eoin and Amanda Stack.
What was Clara Stack’s first acting role?
She began acting at age 4 in local theater productions. Her first television roles were in 2019 on Madam Secretary, Bull, and Almost Family.
Is there a Wikipedia page for Clara Stack?
No. As of 2025, no dedicated Wikipedia page exists for Clara Stack.
Rebecca Wallace is Managing Editor at MarketUK.uk, running the daily news list, the publishing schedule and article commissioning.