Clara Stack is a young American actress who has quickly risen to prominence with roles in major television series and films. Born on October 19, 2010, she first gained attention for her portrayal of a young Kate Bishop in the Marvel series Hawkeye. More recently, she has taken a lead role in the HBO horror prequel It: Welcome to Derry. Her career began in local theater before she moved into television guest appearances. With a growing Instagram following and a slate of upcoming projects, Stack represents a new generation of child actors making the transition from stage to screen.
What is Clara Stack’s age?
Clara Stack was born on October 19, 2010, which makes her 14 years old as of 2025. Her birth sign is Libra. She is an American actress, though her exact height and ethnicity have not been officially confirmed. Public records and biographical entries consistently list her birth date as October 19, 2010, and her age is calculated from that date.
Key Facts at a Glance
- Full Name: Clara Stack
- Birth Date: October 19, 2010
- Age (as of 2025): 14
- Notable Roles: Hawkeye (2021), The Naughty Nine (2023), It: Welcome to Derry (2025)
Key Insights
- Clara Stack began her career in local theater at age 4, performing in productions such as Matilda the Musical.
- She gained widespread recognition for her role as Lilly Bainbridge in the Marvel series Hawkeye (2021).
- Clara has a strong Instagram presence with over 507,000 followers, managed under talent agency CESD.
- Her upcoming projects include the HBO series It: Welcome to Derry (2025), expanding her portfolio into the horror genre.
- Despite her growing fame, specific details about her height, ethnicity, and personal relationships remain unconfirmed.
Snapshot Facts
| Category | Detail |
|---|---|
| Full Name | Clara Stack |
| Birth Date | October 19, 2010 |
| Age (2025) | 14 |
| Height | Not officially confirmed (estimated ~4'9″ based on typical growth) |
| Ethnicity | Not officially confirmed (presumed Caucasian based on available images) |
| Occupation | Actress |
| Years Active | 2014–present (theater since age 4, on-screen since 2021) |
| Notable Works | Hawkeye (2021), The Naughty Nine (2023), It: Welcome to Derry (2025) |
| Instagram Followers | ~507K |
| Talent Agency | CESD Talent |
What movies and TV shows has Clara Stack been in?
Clara Stack's on-screen career began in 2019 with guest roles on Madam Secretary, Bull, and Almost Family. She then landed a supporting role in the Marvel series Hawkeye in 2021, playing the young version of Kate Bishop. In 2023, she starred as Rose in the Disney Original Movie The Naughty Nine and appeared as Francesca on The Marvelous Mrs. Maisel. Her most prominent role to date is the lead character Lilly Bainbridge in the HBO series It: Welcome to Derry, scheduled for 2025.
What role did Clara Stack play in Hawkeye?
In the Disney+ series Hawkeye (2021), Clara Stack portrayed Young Kate Bishop, the childhood version of Hailee Steinfeld's character. The role placed her within the Marvel Cinematic Universe and gave her exposure to a global audience. This performance is often cited as her breakout moment.
What is Clara Stack known for?
She is best known for her lead role as Lilly Bainbridge in the HBO horror series It: Welcome to Derry and her supporting role as Young Kate Bishop in Hawkeye. Her filmography also includes the Disney movie The Naughty Nine and guest spots on Madam Secretary and Bull. She is building a reputation as a versatile young actress moving between family-friendly content and darker genre work.
Clara Stack started in local theater at age 4, performing in Matilda the Musical in New York. That early stage experience laid the groundwork for her television and film roles, which began at age 8. Her move from theater to streaming platforms demonstrates a typical but accelerated path for child actors in the current media landscape.
For more on other young actors, see the profile on Milly Alcock – Age, Height, Career and Supergirl Role.
What is Clara Stack's Instagram account?
Clara Stack's verified Instagram handle is @clarastacknyc. As of early 2025, her account has approximately 507,000 followers. She posts content related to her career, including behind-the-scenes photos from It: Welcome to Derry, updates on film festivals such as the SCAD Savannah Film Festival, and personal snapshots. Her bio lists her talent agency, CESD Talent, confirming the account is professionally managed.
Does Clara Stack have a Wikipedia page?
There is a short biographical entry on the Scottish Wikipedia under the name Clara Stack. It confirms her birth date (October 19, 2010) and lists her notable roles. However, there is no full English Wikipedia page as of 2025. Most factual details about her life come from entertainment databases and her own social media.
Who is Clara Stack's boyfriend?
No publicly confirmed information exists about Clara Stack's romantic relationships. Given her age (14), any claims about a boyfriend are speculative and not supported by credible sources. Her Instagram feed focuses on professional updates rather than personal affairs.
Because Clara Stack is a minor, publicly available personal details are limited. Information about her height, ethnicity, and relationships should be treated with caution unless confirmed by official sources. Respecting her privacy is essential.
Another emerging talent profile: Sarah Pidgeon – Biography, Age, Movies and TV Shows.
What is Clara Stack's career timeline?
- 2010: Born in the United States.
- ~2014: Begins acting in local theater productions.
- 2019: Makes television debut with guest roles on Madam Secretary, Bull, and Almost Family.
- 2021: Appears in the Marvel series Hawkeye as Young Kate Bishop.
- 2023: Stars as Rose in the Disney Original Movie The Naughty Nine and appears on The Marvelous Mrs. Maisel.
- 2025: Featured as Lilly Bainbridge in the HBO series It: Welcome to Derry.
What is known and unknown about Clara Stack?
| Established Information | Information That Remains Unclear |
|---|---|
| Birth date: October 19, 2010 (confirmed by Scottish Wikipedia and multiple sources) | Height: not officially stated; estimates vary |
| Actress career confirmed by IMDb, FamousBirthdays, and Disney bio | Ethnicity: not officially disclosed; inferred from public images |
| Instagram account verified with 507K followers | Boyfriend: no publicly confirmed relationship; any claims are speculative |
| Parents named Eoin and Amanda Stack; twin sister Maggie Stack | Full filmography may include uncredited roles not listed |
What is the background of Clara Stack's career?
Clara Stack represents a new generation of child actors transitioning from theater to major streaming and network productions. Her role in Hawkeye placed her in the Marvel Cinematic Universe, significantly boosting her visibility. The upcoming It prequel indicates a diversification into horror, suggesting she is not typecast. Her heavy Instagram following (over 500,000) points to strong personal brand engagement, typical for Gen Z talents. She began acting at age 4 in local theater and performed in a New York production of Matilda the Musical before landing her first on-screen roles.
What are the key sources for Clara Stack's biography?
“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 series The Penguin.”
— Scottish Wikipedia (source)
“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.”
— DetPress Disney Bio (source)
“Clara Stack is known for It: Welcome to Derry (2025), The Naughty Nine (2023) and Hawkeye (2021).”
— IMDb (source)
Additional details can be found on FamousBirthdays, TV Insider, and her Instagram profile.
What is the summary of Clara Stack's biography?
Clara Stack (born October 19, 2010) is an American actress who gained fame for playing Young Kate Bishop in Hawkeye and now stars as Lilly Bainbridge in HBO's It: Welcome to Derry. She began acting in local theater and made her television debut in 2019. Her height and ethnicity have not been officially confirmed, and no relationship details are publicly known. She maintains a strong Instagram presence with over 507,000 followers.
Frequently Asked Questions
How many Instagram followers does Clara Stack have?
As of 2025, Clara Stack has approximately 507,000 followers on Instagram (@clarastacknyc).
What is Clara Stack's talent agency?
Clara Stack is represented by CESD Talent, as indicated on her Instagram bio.
Is Clara Stack in the Marvel Cinematic Universe?
Yes, she played Young Kate Bishop in the Disney+ series Hawkeye (2021), which is part of the MCU.
Does Clara Stack have any siblings?
Yes, she has a twin sister named Maggie Stack, according to biographical sources.
What is Clara Stack's next project?
She is set to appear in the HBO series It: Welcome to Derry, expected in 2025.
What is Clara Stack's height?
Her height has not been officially confirmed. Estimates suggest she may be around 4'9″ based on typical growth for her age.
What ethnicity is Clara Stack?
Her ethnicity has not been officially disclosed. Based on available images, she is presumed to be Caucasian, but this is not confirmed.
When did Clara Stack start acting?
She began acting in local theater at age 4 and made her on-screen debut at age 8 in 2018/2019.
Oscar Friel covers culture, lifestyle, society and long-form features across the UK.