Clara Stack Age is a talented young American actress who has steadily built an impressive career across television, streaming productions, theater, and family films. Best known for playing young Kate Bishop in Marvel’s Hawkeye and Lilly Bainbridge in IT: Welcome to Derry, she has demonstrated an ability to handle both lighthearted family entertainment and emotionally demanding drama.
As her popularity continues to grow, audiences are increasingly searching for details about Clara Stack age, birthday, height, biography, and acting career. Although she is still young, her professional journey already includes roles in projects connected to Disney, Marvel, CBS, Amazon, and HBO.
Quick Bio
| Detail | Information |
|---|---|
| Full Name | Clara Stack |
| Date of Birth | October 19, 2010 |
| Age in 2026 | 15 years old; turns 16 on October 19 |
| Birthplace | New York, United States |
| Nationality | American |
| Zodiac Sign | Libra |
| Detail | Information |
|---|---|
| Profession | Actress |
| Height | Not officially confirmed |
| Famous For | IT: Welcome to Derry, Hawkeye and The Naughty Nine |
| Breakthrough Role | Lilly Bainbridge in IT: Welcome to Derry |
| Twin Sister | Maggie Stack |
| Hobbies | Drawing, singing, swimming, crochet, journaling and table tennis |
How Old Is Clara Stack in 2026?
How Old Is Clara Stack as of August 2026. She was born on October 19, 2010, and will celebrate her 16th birthday on October 19, 2026.
Her zodiac sign is Libra. People born under this sign are often described as artistic, cooperative, charming, and imaginative. While astrology does not define a person, creativity has clearly played an important role in Clara’s life from an early age.
Clara began performing long before becoming a recognizable television actress. She started acting in local theater productions at approximately four years old, giving her valuable experience with dialogue, music, movement, and live audiences.
Clara Stack Biography
Clara Stack is an American actress based in New York. She developed an interest in the performing arts during early childhood and began her journey through local theater. Her stage experience included well-known productions such as Annie, The Music Man, and Matilda the Musical.
In Annie, she appeared as Star to Be, while she played Amaryllis in The Music Man. She also took on the title role in a production of Matilda the Musical. Performing in these shows helped Clara develop confidence and discipline before she moved into professional screen acting.
Unlike some young performers who become famous after one viral moment, Clara Stack’s career has grown gradually. She gained experience through smaller television appearances before securing roles in major productions. This steady development allowed her to work with different directors, genres, and acting styles.
Despite her growing public profile, Clara’s private life remains relatively protected. She has not shared extensive personal information, and much of the attention surrounding her is focused on her acting work. This level of privacy is especially appropriate because she is still a teenager.
Clara Stack’s Height in 2026
Clara Stack’s exact height has not been officially confirmed through a reliable public biography or representative. Some entertainment websites publish estimated measurements, but these figures should not automatically be treated as verified.
Because Clara is still in her teenage years, her height may also continue to change. For that reason, it is more accurate to describe her as a young actress of average teenage height instead of presenting an unsupported number as fact.
Height has not been an important factor in Clara Stack’s success. Her expressive acting, emotional control, natural screen presence, and ability to connect with viewers are the qualities that have helped her stand out.
Early Television Career
Clara Stack began building her television résumé through guest appearances in established American series. One of her early roles was Corra in the political drama Madam Secretary. Although it was a smaller part, appearing in a professional network production gave her experience working in a structured television environment.
She later appeared as Hannah Kelly in the legal drama Bull. The series gave Clara another opportunity to perform in a serious story alongside experienced adult actors. She also played Esther in Almost Family, further expanding her early television credits.
These guest roles may have been brief, but they were important steps in her development. Young actors often learn essential skills through episodic television, including understanding camera positions, maintaining continuity, responding to direction, and delivering consistent performances across multiple takes.
Playing Young Kate Bishop in Hawkeye
A major moment in Clara Stack’s career came when she was cast as the younger version of Kate Bishop in Marvel Studios’ Hawkeye. The adult version of Kate was played by Hailee Steinfeld, while Clara appeared during the character’s childhood.
Young Kate’s experiences help explain why she becomes fascinated with heroes and later develops the determination to train as an archer. Clara’s role therefore contributed to the emotional foundation of one of the series’ central characters.
Although her screen time was limited, appearing in a Marvel production introduced Clara to a worldwide audience. It also added a major franchise credit to her acting résumé at a very young age.
The Naughty Nine and Disney Success
In 2023, Clara Stack appeared as Rose in the Disney Original Movie The Naughty Nine. The Christmas-themed adventure follows a group of children who plan an ambitious mission involving Santa’s North Pole operation.
Rose is presented as an animal expert with a caring personality. The role allowed Clara to display a warmer and more playful side of her acting compared with her appearances in dramatic television shows.
The film marked an important stage in her career because it gave her a more substantial role within an ensemble of young performers. It also demonstrated that she could contribute to a family-friendly adventure while creating a memorable character.
The Marvelous Mrs. Maisel Appearance
Clara also appeared as Francesca in The Marvelous Mrs. Maisel. The acclaimed comedy-drama is known for its fast-paced dialogue, detailed period setting, colorful costumes, and carefully constructed performances.
Working in a production with such a distinctive style added another genre to Clara Stack’s growing filmography. Her credits now included political drama, legal drama, superhero entertainment, family adventure, period comedy, and supernatural horror.
This variety is notable because it shows that Clara has not been limited to a single type of character.
Breakthrough Role in IT Welcome to Derry
Clara Stack gained some of the strongest attention of her career through her portrayal of Lilly Bainbridge in HBO’s IT: Welcome to Derry. The supernatural horror series is connected to Stephen King’s famous IT universe and serves as a prequel to the modern films.
Set in Derry, Maine, during an earlier period, the story explores the terrifying events surrounding the town and the evil associated with Pennywise. Clara’s character, Lilly, is a young girl carrying grief, fear, and emotional trauma while confronting disturbing experiences that others struggle to understand.
Playing Lilly required more than reacting to frightening situations. Clara had to communicate vulnerability, anxiety, courage, and emotional isolation. Her expressive performance helped make Lilly feel like a real person rather than simply another character placed inside a horror story.
The role represented an important career breakthrough because it gave Clara a central place in a high-profile HBO production. It also introduced her to older viewers who may not have seen her previous family-oriented work.
Acting Style and Strengths
One of Clara Stack’s most noticeable strengths is her ability to express emotion naturally. She can communicate fear, confusion, sadness, and determination without making a scene feel forced.
Her theater background may have contributed to this ability. Stage acting teaches performers to remain focused, understand character motivation, memorize substantial dialogue, and use physical movement effectively. Screen acting requires greater subtlety, and Clara appears comfortable adjusting her performance for the camera.
She has also shown impressive versatility. Moving from the adventurous world of The Naughty Nine to the darker atmosphere of IT: Welcome to Derry requires emotional range. This flexibility could help her pursue many different roles as she grows older.
Personal Interests and Family Life
Away from acting, Clara has been described as a creative person who enjoys drawing and inventing original characters. Her interests also include singing, swimming, crochet, bullet journaling, and table tennis.
She has a twin sister named Maggie, whom she has described as a close companion and best friend. Clara is also known to love animals and has two playful cats.
These interests reveal a balanced side of her personality. While acting is a major part of her life, she also enjoys ordinary creative activities, hobbies, family time, and pets.
What Is Next for Clara Stack?
Following her performance in IT: Welcome to Derry, Clara Stack is in a strong position to receive more prominent opportunities. Her résumé already contains respected television dramas, a Marvel series, a Disney movie, an award-winning comedy-drama, and a major horror production.
Her future career could include more streaming series, feature films, voice acting, or even a return to theater. Because she is still developing as both a person and performer, the direction of her career remains open.
The most encouraging aspect of her journey is the variety of work she has already completed. She has shown that she can perform in both smaller guest roles and larger ensemble productions.
Clara Stack is 15 years old as of August 2026. She will turn 16 on October 19, 2026.
Clara Stack’s birthday is October 19, 2010. Her zodiac sign is Libra.
Clara Stack is an American actress based in New York, where she began performing in local theater productions at a young age.
Final Thoughts
Clara Stack age in 2026 is 15, and she will turn 16 on October 19. Although her exact height has not been officially confirmed, her growing success has little to do with physical measurements. It comes from her talent, preparation, versatility, and years of experience.
From performing in local theater as a young child to playing young Kate Bishop in Hawkeye, Rose in The Naughty Nine, and Lilly Bainbridge in IT: Welcome to Derry, Clara has created an impressive foundation for her career.
She remains one of the promising young actresses to watch as she continues developing her skills and choosing new projects. With experience across theater, family entertainment, superhero storytelling, comedy, drama, and horror, Clara Stack has already proved that she can adapt to remarkably different roles.
