Clara Stack – Breakout Child Actress, Marvel’s Young Kate Bishop & HBO’s Lilly Bainbridge
In 2026, Clara Stack is fast emerging as one of Hollywood’s most promising young talents. Although she’s just 15 years old, the New York born actress has an impressive resume of work that features projects from Marvel Studios, Disney, Amazon Prime Video, and HBO. Clara Stack has made her way into the spotlight by playing a range of roles as best known to Hawkeye, Young Kate Bishop in Disney’s ‘The Naughty Nine’, and as Rose in ‘IT: Welcome to Derry’, an HBO horror series.
But as the audience continues to grow over her efforts in major franchises and at the streaming service, many industry sources now consider Clara Stack one of the most promising young actresses of her generation. This full biography will cover her life, career, significant roles, acting techniques and her future.
Who Is Clara Stack? Age, Bio & Early Life

Clara Stack was born in New York City, NY on October 19, 2010 and started to develop an appreciation for the performing arts at an early age. As a child, she was exposed to acting opportunities through her life due to her upbringing in one of the world’s most vibrant entertainment and theater capitals.
Clara Stack 2026 is a quick bio.
ATTRIBUTE DETAILS
Gender Female
Gender FemaleBirth Place Calcutta, India
Age (2026) 15 Years Old
Place of Birth New York City, USA
Nationality American
Profession Actress
Years Active 2017–Present
Blacklist Reasons That Hawkeye’s gone, that The Naughty Nine’s gone, IT: Welcome to Derry’s gone.
Education Weighs school and acting needs
Social Media Professional Accounts of Social Media
Clara honed her talents in the local theater prior to going on TV, starring in Annie and Matilda the Musical. These early stage experiences helped develop confidence, emotional expression, and discipline, which were to be her strongpoints as an actor.
It was a natural progression that she made, as casting directors started seeing her talent and screen presence in the TV medium.
The journey of becoming a TV guest and relocating to a major franchise project.

Clara Stack’s career catapulted at a rapid pace. From their initial appearances on screen to becoming prominent roles in major film franchises, they progressed from their parts to full-scale careers.They started out appearing as guests in movies and grew to be characters in several popular franchises.
2019: Television Debut
Clara debuted in television through several roles in big network TV productions:
- Madam Secretary as Corra
- Bull as Hannah Kelly
- Almost Family as Esther
In three television productions during that one-year period, her versatility and talent as a young actor became evident.
2021: Marvel Breakthrough
Her best came when she was offered a role as Young Kate Bishop in Disney+ and Marvel Studios’ successful Hawkeye series.
Clara was also seen in a key scene in Kate Bishop’s origin story, sharing the screen with Jeremy Renner, and Hailee Steinfeld. The character brought her fame to the world and introduced her to the hugely-popular Marvel Cinematic Universe (MCU).
2023: Expanding Her Portfolio
Clara made a return in 2023, starring in:
- The Marvelous Mrs. Maisel Season 5 as Francesca
- The Naughty 9 as the Rose Wingert
She broke into Disney’s holiday adventure The Naughty Nine, an important step as she was proving she could take big family roles that will also resonate with younger audiences.
Lilly Bainbridge of HBO’s IT: Welcome to Derry – Her Biggest Role Yet
Clara Stack has had a lot of roles to choose from, but her role in HBO’s IT: Welcome to Derry is the one she has taken the biggest leap with both her acting and her challenge.
The series follows events that unfold decades before Pennywise terrorized Derry in Stephen King’s legendary horror story IT.
The role has become a matter of great importance.
Clara’s experiences with Lilly Bainbridge involved navigating:
- Grief
- Fear
- Trauma
- Psychological tension
- Supernatural horror
In interviews Clara admitted to being cast by self-tape audition and the character’s emotional depth, much of which she had to prepare for, took a lot of time.
The one thing that has been talked about is an intense grocery store scene, which required quite a bit of emotional preparation. She also revealed that she was one of the most pivotal moments of her young career when she met Pennywise actor Bill Skarsgård.
Her ability to be vulnerable yet strong has been admired by critics and fans alike, earning her the nickname of being the next big “Scream Queen.
Marvel, Disney, Amazon & HBO: A Remarkable Young Career
Few actors have been able to join big franchises, but Clara Stack has already collaborated with four of the entertainment industry’s biggest brands.
Marvel Studios
Clara was a major contributor to forming one of Marvel’s future heroes, Young Kate Bishop. Even if she didn’t spend too much time in front of the screen, her performance left its mark on the audience.
Disney
Clara displayed another side of her performing talent in The Naughty Nine, a film that focused on a more family-friendly side. The role put her on the dramatic TV map.
Amazon Prime Video
She joined the filmography of the film with her appearance in The Marvelous Mrs. Maisel.
HBO
Clara took a leap into premium television and prestige horror with IT: Welcome to Derry, showing she’s capable of the darker, more challenging fare.
She has the ability to transition from family fun to superhero stories to comedy to horror—unusual for someone her age to be able to do that.
Beware of the possible risks when selecting an acting school.
Be careful with the possible risks of choosing an acting school.
One of the things that people cite as being the reason for Clara’s ease in front of the camera is her acting background.
Theater Foundations
Her performances in productions such as:
- Annie
- Matilda the Musical
helped develop:
- Stage confidence
- Character development skills
- Emotional expression
- Professional discipline
Learning From Industry Veterans
Prior to her 16th birthday, Clara already had the opportunity to work with esteemed actors such as:
- Jeremy Renner
- Hailee Steinfeld
- Rachel Brosnahan
- Alex Borstein
- Michael Zegen
- Bill Skarsgård
The experiences were extremely beneficial in gaining knowledge from experienced people.
Growing Reputation
Casting directors and producers are now starting to identify Clara for:
- Emotional authenticity
- Strong work ethic
- Professional maturity
- The ability to work with complex content.
She is also known for being a very emotional actress, as she performed in IT: Welcome to Derry, especially in the story about his mother.
Life at 15: Balancing School, Acting & Social Media
Even as she becomes a more popular star, Clara Stack is determined to keep her life in check.
Education Comes First
Clara, like many young actors, is still focussing on her education and working on career-related projects. When working on television productions, it is important to schedule and discipline to handle school chores.
Social Media Presence
Her social media profiles are professionally managed because of her age and mainly deal with:
- Behind-the-scenes photos
- Career updates
- Project announcements
- Set experiences
This way she can interact with fans in a way that keeps her private and safe.
Interests Outside Acting
Clara likes:
- Reading
- Writing
- Drawing
- No matter what, spending time with family.
- A friendly atmosphere of time spent with friends
The activities help balance out the instability of the demands of a growing entertainment career.
What will be Clara Stack’s next steps in 2026 and Beyond?
Clara’s future will be a very bright one.
Since the debut of IT: Welcome to Derry, season 1, she has been gaining exposure to a wider audience, and many industry pundits believe that her career will take a huge leap forward in the coming years.
Potential Future Opportunities
- Further scares after the Scream Queen discovery
- Acting in dramas that are streamed online.Leading in dramas that are streamed online.
- Additional franchise opportunities
- Feature film expansion
- As her performances become more visible, give her consideration!
Clara has already gained a connection with the big studios and networks, and is set to grow from a child star to a top young star.
But many young actors don’t make that switch in a successful manner and in the case of Clara, it seems she is able to make the switch with some success, and she is certainly well-trained and professional, and her roles look like she has a lot of potential for the future.
Clara Stack FAQ
What will Clara Stack be the age when she gets to 2026?
Clara Stack is 15 years old in 2026 and was born on October 19, 2010.
What does Clara Stack have to do with?
She is best known for her role as Young Kate Bishop in Marvel’s Hawkeye, Disney’s Rose in The Naughty Nine and HBO’s IT: Welcome to Derry for Lilly Bainbridge.
In what way did Clara Stack start acting?
She first broke onto the local theatre scene with Annie and Matilda the Musical and then television.
Is IT: Welcome to Derry Clara Stack?
Yes. She stars as Lilly Bainbridge, one of the series’ main characters.
Why has Clara Stack been dubbed a Scream Queen?
IT: Welcome to Derry has already won the heart of its audiences and critics with its emotionally charged acting, leading some to liken her to the emerging horror stars, Scream Queens.
Clara Stack Is One of 2026’s Brightest Young Stars, CONCLUSION:
Clara Stack at 15 has achieved what many actors would work hard to for decades. Whether it’s her iconic role as Young Kate Bishop in Marvel’s Hawkeye or her standout performance as Lilly Bainbridge in HBO’s IT: Welcome to Derry, she has shown incredible versatility, professionalism, and emotional range.
Clara Stack has already made her mark as one of the most promising young talent in the entertainment industry with her credits on Marvel, Disney, Amazon and HBO. Her solid base in theater, well-thought-out career decisions and her increasingly critical recognition indicate that her career has only just started.
With her shows continuing to be discovered by viewers, both on television and streaming services, Clara Stack is no longer merely another child star, she is one of the next generation’s most captivating rising stars.

