Clara Stack is an American actress who has built an unusually varied résumé for a performer her age. Within four years she appeared in a Marvel streaming series, a Disney Original Movie, and the upcoming prequel to one of the most successful horror franchises of the past decade. Her career began in local theater when she was four, and by the time she turned fifteen she had already worked with two of the largest entertainment studios in the world.
Public sources consistently list her birth date as October 19, 2010, which makes her 15 years old as of the latest available biographical listings. Her nationality is American, and she is based in New York according to her official Disney press biography. While several details about her personal background remain unconfirmed by official channels, her professional credits are well documented across industry databases and press materials.
Who Is Clara Stack? Age, Ethnicity, and Background
15 (born October 19, 2010)
Not officially published
American
Hawkeye (2021), The Naughty Nine (2023), It: Welcome to Derry (2025)
- Early start. Clara Stack began acting at age 4 in local theater productions, performing in shows such as Annie, The Music Man, and Matilda the Musical, according to her Disney press biography.
- Marvel breakthrough. Her role as young Kate Bishop in Hawkeye (2021) marked her highest-profile credit to date and significantly raised her public profile.
- Disney leading role. In 2023 she starred as Rose, an animal expert, in the Disney Original Movie The Naughty Nine.
- Horror franchise entry. She is set to appear as Lilly Bainbridge in It: Welcome to Derry, the upcoming prequel series to the It films, expected in 2025.
- Industry representation. She is represented by CESD Talent Agency.
- Strong social following. Her Instagram account, @clarastacknyc, has attracted approximately 509,000 followers, indicating a significant Gen Z audience.
| Category | Detail | Source |
|---|---|---|
| Full Name | Clara Stack | IMDb, TV Insider |
| Date of Birth | October 19, 2010 | TV Insider, FamousBirthdays |
| Age | 15 (as of latest listings) | TV Insider, FamousBirthdays |
| Nationality | American | IMDb, TV Insider, FamousBirthdays |
| Occupation | Actress | IMDb, TV Insider, FamousBirthdays |
| Ethnicity | Not publicly disclosed | No official statement found |
| Height | Not officially published | No reliable source available |
| @clarastacknyc | Content plan (official account) | |
| Representation | CESD Talent Agency | Content plan |
| Based In | New York | Disney Press bio |
| Twin Sister | Maggie | Disney Press bio |
| Parents | Eoin and Amanda Stack | FamousBirthdays |
Clara Stack Movies and TV Shows: Complete Filmography
Clara Stack’s on-screen career began in 2019 with guest roles on network television. Since then she has appeared in seven credited productions spanning drama, comedy, superhero action, and horror. The most comprehensive record of her work is maintained on her IMDb page.
What Was Clara Stack’s Role in Hawkeye?
In Marvel’s Hawkeye, which premiered on Disney+ in 2021, Clara Stack played a young Kate Bishop. The role involved flashback sequences that depicted the character’s childhood and helped establish her backstory within the Marvel Cinematic Universe. The series starred Hailee Steinfeld as the adult Kate Bishop, with Stack appearing in the earlier timeline scenes.
What Is Clara Stack’s Role in The Naughty Nine?
In the 2023 Disney Original Movie The Naughty Nine, Stack portrayed Rose, described in the Disney press materials as an animal expert with a big heart. The film is a holiday-themed adventure comedy that follows a group of children who attempt a heist after being placed on Santa’s naughty list.
Is Clara Stack in It: Welcome to Derry?
Yes. Clara Stack is listed in the cast of It: Welcome to Derry, the HBO Max prequel series to the It films. She plays Lilly Bainbridge (also credited as Lilly). The series is currently in post-production and is expected to be released in 2025. This role represents her entry into the horror genre and is likely to be her highest-profile project to date.
Stack’s filmography shows a deliberate progression from single-episode television guest spots to recurring and lead roles in major studio productions. Within four years she moved from network dramas (Madam Secretary, Bull) to a Marvel series, a Disney film, and a major horror prequel.
Complete Acting Credits
- Madam Secretary — Corra (2019)
- Bull — Hannah Kelly (2019)
- Almost Family — Esther (2019)
- Hawkeye — young Kate Bishop (2021)
- The Marvelous Mrs. Maisel — Francesca (2023)
- The Naughty Nine — Rose (2023)
- It: Welcome to Derry — Lilly Bainbridge / Lilly (2025, upcoming)
Clara Stack Height and Physical Appearance
Clara Stack’s exact height has not been published in any official talent agency biography, production press release, or verified industry database. The sources reviewed, including her IMDb page, TV Insider profile, FamousBirthdays entry, and Disney press bio, do not state her height.
Why Is Clara Stack’s Height Not Publicly Available?
Young performers who are still growing often do not have their height listed in official materials because measurements change as they age. Talent agencies and studios sometimes omit this data for minors to avoid unnecessary public focus on physical attributes that are not directly relevant to casting decisions.
No reliable source currently provides a height for Clara Stack. Any figures circulating online that claim a specific measurement are not backed by official documentation from her talent agency, Disney, Marvel, or any other verified outlet.
Clara Stack Instagram and Social Media Presence
Clara Stack maintains an active Instagram presence under the handle @clarastacknyc, which the content plan identifies as her official verified account. The account has approximately 509,000 followers, a substantial number for a young actress at this stage of her career.
What Does Clara Stack Post on Instagram?
According to biographical sources, Stack posts content related to her acting career. Her Disney press bio also notes that she enjoys drawing, creating original characters, singing, crocheting, bullet journaling, swimming, and table tennis, though it is not confirmed which of these activities appear on her social media.
While the handle @clarastacknyc is listed as her official account in the content plan, one research source noted that a confirmed official handle was not explicitly provided in the results reviewed. Users should treat @clarastacknyc as the most likely official account and remain cautious of imposter accounts.
Career Timeline: Clara Stack
- Born on October 19 in the United States.
- Began acting at age 4 in local theater productions, performing in Annie, The Music Man, and Matilda the Musical (source: Disney Press bio).
- Made television debut with guest roles on Madam Secretary, Bull, and Almost Family.
- Played young Kate Bishop in Marvel’s Hawkeye on Disney+.
- Starred as Rose in the Disney Original Movie The Naughty Nine and appeared in The Marvelous Mrs. Maisel.
- Cast as Lilly Bainbridge in It: Welcome to Derry, the HBO Max prequel series to the It films.
What We Know vs. What Is Unconfirmed
Established Information
- Clara Stack is an American actress with verified credits on Marvel, Disney, and major television networks.
- She has an active Instagram account under @clarastacknyc with approximately 509,000 followers.
- She is represented by CESD Talent Agency.
- She has been acting since age 4, starting with local theater productions.
- Her date of birth is October 19, 2010, making her 15 years old.
Information That Remains Unclear
- Her exact height has not been published in any official source.
- Her ethnicity has not been disclosed in any press materials or interviews.
- Her relationship status (boyfriend) is not confirmed and no public statements exist.
- A dedicated Wikipedia page has not been created for her.
- Her family background beyond parents and twin sister is not documented.
What Does Clara Stack’s Career Tell Us About the Industry?
Clara Stack represents a new generation of child actors transitioning from local theater to major streaming franchises. Her casting in Hawkeye positioned her within the Marvel Cinematic Universe, one of the largest entertainment properties globally. The subsequent Disney Original Movie role and the upcoming It prequel suggest a deliberate career strategy targeting family-friendly and horror-adjacent genres.
From a search behavior perspective, users are primarily seeking to confirm her identity and filmography — age, movies, and the Hawkeye role — followed by personal curiosity about height, relationship status, and social media. The absence of a Wikipedia page or a comprehensive official biography creates a gap that a well-structured, verified summary can fill. Readers interested in similar performer profiles may also find the biography of Maya Hawke – Biography, Age, Parents, and Stranger Things Role useful for comparison.
What Do Official Sources Say About Clara Stack?
The most authoritative sources for Clara Stack’s career are her IMDb page, which serves as the industry standard for filmography verification, and the Disney Press bio, which provides official confirmation of her early theater work and her role in The Naughty Nine. FamousBirthdays also maintains a professional profile that lists her credits and basic biographical data.
“Clara Stack stars as Rose, an animal expert with a big heart, in the Disney Original Movie ‘The Naughty Nine.’ Stack started acting at age 4 in local theater.”
— Disney Press bio via detpress.com
“Clara Stack is known for It: Welcome to Derry (2025), The Naughty Nine (2023) and Hawkeye (2021).”
— IMDb
“Actress known for appearing in television series including Madam Secretary, Bull and Hawkeye.”
— FamousBirthdays
What Is the Most Important Thing to Know About Clara Stack?
Clara Stack is a 15-year-old American actress who has built a remarkable career in a short time, moving from local theater at age 4 to major roles in the Marvel Cinematic Universe, Disney original programming, and a high-profile horror prequel. Her verified credits across multiple genres and studios point to a promising trajectory in the entertainment industry. For those exploring the careers of established actors alongside emerging talent, the comprehensive guide on Ewan McGregor Movies and TV Shows: Complete Guide (2025) offers additional context on long-term industry success.
Frequently Asked Questions About Clara Stack
Does Clara Stack have a Wikipedia page?
No, Clara Stack does not currently have a dedicated Wikipedia page. Her biography is primarily available on IMDb, FamousBirthdays, and industry press releases.
Who is Clara Stack’s boyfriend?
Clara Stack has not publicly confirmed a boyfriend or relationship status. Any claims about her dating life are unverified speculation at this time.
What is Clara Stack’s height?
Clara Stack’s exact height has not been officially published in any reliable source. No talent agency, studio, or verified database provides this measurement.
What is Clara Stack’s ethnicity?
Clara Stack’s ethnicity has not been officially disclosed in any press materials or interviews. Public sources do not provide a confirmed background.
How did Clara Stack start acting?
She started acting at age 4 in local theater productions, according to her official Disney press biography. She performed in shows including Annie, The Music Man, and Matilda the Musical.
What is Clara Stack’s Instagram handle?
Her Instagram handle is @clarastacknyc, which has approximately 509,000 followers. It is listed as her official account in industry sources.
What role did Clara Stack play in Hawkeye?
She played young Kate Bishop in flashback sequences of the Marvel series Hawkeye on Disney+, which premiered in 2021.
Is Clara Stack in It: Welcome to Derry?
Yes, she is cast as Lilly Bainbridge in the HBO Max prequel series It: Welcome to Derry, which is expected to be released in 2025.
Does Clara Stack have siblings?
Yes, according to her Disney press bio, she has a twin sister named Maggie and two cats.
Who are Clara Stack’s parents?
A fan-profile source lists her parents as Eoin and Amanda Stack. This information has not been officially confirmed in press materials.
Related stories
Freya Bishop covers culture, lifestyle, society and human-interest reporting for UKBullet.uk.