There’s something about a young actress who can bounce from a Marvel series to a Stephen King prequel without missing a beat. Clara Stack, born October 19, 2010, is doing exactly that — building a résumé that spans Hawkeye, a Disney original movie, and now HBO’s highly anticipated It: Welcome to Derry. Here’s what we know about her age, filmography, and the audition that landed her in Derry’s orbit.
Born: October 19, 2010 · Age (2025): 14 · Known for: It: Welcome to Derry, Hawkeye, The Naughty Nine · Instagram: @clarastacknyc (503K followers) · TikTok: @clara.stack (569.7K followers) · Nationality: American
Quick snapshot
- Born October 19, 2010 (TV Insider (celebrity database))
- American actress (Wikipedia (Scots) (community encyclopedia))
- Known roles: Hawkeye (2021), The Naughty Nine (2023), It: Welcome to Derry (2025) (IMDb (film database))
- Exact ethnicity (Famous Birthdays (celebrity statistics database))
- Current residence (inferred New York from Instagram handle) (Disney Kids & Family (official bio))
- Parents’ identities and occupations (Famous Birthdays) (Famous Birthdays (celebrity statistics database))
- Exact height (TV Guide (celebrity credits))
- October 19, 2010 — Born (TV Insider) (Pop Culture Unplugged (entertainment interview))
- 2021 — Appears in Marvel’s Hawkeye (IMDb) (Pop Culture Unplugged (entertainment interview))
- 2023 — Stars in Disney’s The Naughty Nine (Disney Kids & Family) (Pop Culture Unplugged (entertainment interview))
- 2025 — Cast in HBO’s It: Welcome to Derry (Pop Culture Unplugged (entertainment interview))
- It: Welcome to Derry premieres in 2025 (IMDb)
- Further roles anticipated as her career gains momentum
Six snapshot facts about Clara Stack, one pattern: she’s already built a diverse body of work across genres at a young age.
| Field | Value |
|---|---|
| Born | October 19, 2010 (TV Insider) |
| Age | 14 (as of 2025) |
| Nationality | American (Wikipedia (Scots)) |
| Known for | It: Welcome to Derry, Hawkeye, The Naughty Nine (IMDb) |
| @clarastacknyc (503K followers) (Famous Birthdays) | |
| TikTok | @clara.stack (569.7K followers) (Famous Birthdays) |
How old is Clara Stack in real life?
What is Clara Stack’s birth date?
- Born on October 19, 2010 (TV Insider)
- As of 2025, she is 14 years old; a 2026 profile lists her as 15, consistent with the October 2010 birth date (TV Insider)
How old is Clara Stack in Welcome to Derry?
- Her character’s age is not confirmed in the series, but she is playing a young role consistent with her actual age (Pop Culture Unplugged)
Bottom line: Clara Stack, at 14, brings a youthful authenticity to her role in Welcome to Derry, though her character’s exact age remains unconfirmed.
What is Clara Stack famous for?
What movies and TV shows has Clara Stack been in?
- Madam Secretary (2019) — uncredited background (IMDb)
- Bull (2019) — guest role (IMDb)
- Almost Family (2019) — guest role (IMDb)
- Hawkeye (2021) — Little Kate Bishop (IMDb)
- The Naughty Nine (2023) — Rose, an animal expert with a big heart (Disney Kids & Family)
- The Marvelous Mrs. Maisel (2023) — Francesca (IMDb)
- It: Welcome to Derry (2025) — Lilly Bainbridge (IMDb)
What is Clara Stack’s most notable role?
- Her breakout role is Lilly in HBO’s It: Welcome to Derry (2025), which has drawn significant press attention (Pop Culture Unplugged)
- TV Guide lists seven total credits across her career (TV Guide)
The pattern: within four years of her first credited appearances, Clara Stack has worked across network TV, streaming, Disney Channel, and premium cable — an unusual breadth for a teen actress.
What ethnicity is Clara Stack?
Where is Clara Stack from?
- Clara Stack is American (Wikipedia (Scots))
- Her ethnicity is not publicly specified; she is reportedly of Caucasian background (Famous Birthdays)
- Her home is listed as New York City (Disney Kids & Family)
Clara Stack’s background remains largely private — typical for a minor. The few available sources indicate she is a white American from New York, but official confirmation is limited.
How did Clara Stack audition for Welcome to Derry?
What was Clara Stack’s audition process like?
- She auditioned via self-tape in December 2022 for the roles of Lilly and Marge (YouTube (interview with Clara Stack))
- She later participated in a callback before being cast (Pop Culture Unplugged)
Did Clara Stack have prior experience with horror?
- She watched the first It movie when she was about 9 years old, which prepared her for the genre (YouTube)
Clara Stack’s self-tape audition — a common route for young actors — opened the door to a major HBO series. For aspiring performers, her story underscores the value of a strong recorded audition.
Where does Clara Stack live now?
Does Clara Stack live in New York City?
- Her Instagram handle is @clarastacknyc, suggesting New York City (Famous Birthdays)
- Disney Kids & Family lists her home as New York (Disney Kids & Family)
- She posts content that often features NYC landmarks
Bottom line: Multiple signals point to New York City as Clara Stack’s home base, though the exact residence is not public.
Timeline
- October 19, 2010 — Clara Stack is born (TV Insider)
- 2019 — First TV appearances (Madam Secretary, Bull, Almost Family) (IMDb)
- 2021 — Appears in Marvel’s Hawkeye as Little Kate Bishop (IMDb)
- 2023 — Stars in Disney’s The Naughty Nine and appears in The Marvelous Mrs. Maisel (IMDb)
- December 2022 — Auditions for It: Welcome to Derry via self-tape (YouTube)
- 2025 — Cast as Lilly Bainbridge in HBO’s It: Welcome to Derry (Pop Culture Unplugged)
The sequence shows a steady ascent: from early uncredited work to a major HBO series within six years.
What we know and what remains unclear
Confirmed facts
- Birth date: October 19, 2010 (TV Insider)
- Acting credits include Hawkeye, The Naughty Nine, and It: Welcome to Derry (IMDb)
- Residence: New York City (Disney Kids & Family)
- Has a twin sister named Maggie (Disney Kids & Family)
- Has two cats (Disney Kids & Family)
What’s unclear
- Exact ethnicity (not publicly specified)
- Exact height (not recorded in any official bio)
- Parents’ full names and occupations (Famous Birthdays lists Eoin and Amanda Stack, but no verification) (Famous Birthdays)
- Net worth (no reliable estimates available)
- Her role’s exact age in Welcome to Derry
Despite the large social media following, key biographical details remain unconfirmed, a common situation for minor celebrities.
In her own words
“I watched the first It movie when I was about 9. It was scary but I loved it.”
— Clara Stack, on her familiarity with the franchise (YouTube)
Stack auditioned for both Lilly and Marge via a self-tape in December 2022 and later had a callback before being cast (Pop Culture Unplugged).
Clara Stack’s candidness about her audition process gives young actors a concrete example of how landing a major role often begins with a simple self-tape — and a genuine passion for the source material.
For Clara Stack, the 2025 premiere of Welcome to Derry is a career inflection point. With an established Marvel credit and a Disney original already on her résumé, the next move is hers to make. Whether she continues on the horror path or pivots back to family-friendly projects, one thing is clear: she has the range to succeed in both. For the young actress auditioning today, her trajectory offers a blueprint: start early, work across genres, and never underestimate the power of a self-tape.
youtube.com, rottentomatoes.com, themoviedb.org, mmcpodcast.buzzsprout.com, pro.imdb.com
Frequently asked questions
Is Clara Stack on social media?
Yes. Her Instagram is @clarastacknyc (503K followers) and her TikTok is @clara.stack (569.7K followers) (Famous Birthdays). She also has a YouTube channel where she shared her audition story.
What is Clara Stack’s height?
Her exact height is not publicly recorded. Most biographical sources omit this information.
Has Clara Stack won any awards?
She has not won any major awards as of 2025. Her role in The Naughty Nine was a Disney Original Movie but did not receive industry awards.
How many siblings does Clara Stack have?
She has a twin sister named Maggie (Disney Kids & Family).
What is Clara Stack’s net worth?
No reliable estimate of Clara Stack’s net worth exists publicly. As a child actress with a growing résumé, her earnings have not been disclosed.
Does Clara Stack have a Wikipedia page?
She does not have a main English Wikipedia page. A Scots Wikipedia entry exists (Wikipedia (Scots)).
What is Clara Stack’s favorite role?
In interviews, she has expressed excitement about playing Lilly in It: Welcome to Derry, calling her “a strong character” (Pop Culture Unplugged).
Alex Chen is Editor-in-Chief at Coast Current, overseeing editorial standards, publication decisions and corrections.