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Kat Sadler – BAFTA-Winning Comedian and Such Brave Girls Creator

Oliver George Thompson Murray • 2026-09-09 • Reviewed by Hanna Berg

Kat Sadler is a British comedian, writer, and actress who has gained widespread attention for creating, writing, and starring in the BBC Three comedy-drama Such Brave Girls. The show, which draws directly from her own mental health experiences and family life, won a BAFTA in 2024 and has been praised for its darkly humorous take on dysfunction. Despite her rising profile, much of her personal background remains unconfirmed by official sources.

Who is Kat Sadler?

Known for Such Brave Girls (BBC Three)
Awards BAFTA for Scripted Comedy (2024)
Notable co-star Lizzie Davidson
Age 31–32 (born 1994, per Wikipedia)
  • Kat Sadler is best known for creating, writing, and starring in the BBC Three comedy drama Such Brave Girls.
  • She won a BAFTA in 2024 for Scripted Comedy alongside Lizzie Davidson and the Such Brave Girls team.
  • Her earlier credits include Tell Me Everything and Mel Giedroyc: Unforgivable.
  • Despite online speculation, she did not appear in The Inbetweeners – that confusion likely stems from similar name or appearance.
  • Her real name appears to be Kat Sadler (not a stage name), though no official confirmation exists.
  • No public information is available about her age, partner, or sister; these remain unconfirmed personal details.
Fact Details
Full name Kat Sadler (presumed real)
Profession Comedian, writer, actress
Nationality British
Notable work Such Brave Girls (2023–present)
Awards BAFTA TV Award for Scripted Comedy (2024)
Management The B-Side
Social media @sadkatler (Instagram, X/Twitter)
Birth year 1994 (per Wikipedia)
Hometown Sutton, London

What are Kat Sadler’s notable works and roles?

Movies and TV shows

Kat Sadler’s on-screen credits are limited but notable. According to IMDb, she appeared in Mel Giedroyc: Unforgivable (2021) and Tell Me Everything (2022) before creating Such Brave Girls (2023). She has not been part of The Inbetweeners – a common misconception that may stem from her British comedy background.

The success of Such Brave Girls

Such Brave Girls is a dark comedy centred on a dysfunctional all-female household. Sadler based the script on her own family experiences and mental health struggles. The show premiered on BBC Three in the UK and later on Hulu in the US, receiving strong critical acclaim. It also stars her real-life sister, Lizzie Davidson, who plays her on-screen sister.

BAFTA recognition

In 2024, Such Brave Girls won the BAFTA for Scripted Comedy. Kat Sadler also received the Emerging Talent: Fiction award at the same ceremony, according to her management agency The B-Side.

Is Kat Sadler related to Lizzie Davidson?

Yes, they are real-life sisters. Lizzie Davidson is Kat’s younger sister and co-stars in Such Brave Girls. The family surname is Davidson; Sadler is a stage name used by Kat. This relationship is confirmed by multiple sources including The Independent and ABC Australia.

What is Kat Sadler’s personal life like?

Age and background

Wikipedia lists her birth year as 1994, making her 31–32 years old as of 2025. She was born in Sutton, London. However, her exact age has not been officially confirmed by Sadler herself or a primary source, so some uncertainty remains.

Family: Sister Lizzie Davidson

Kat Sadler has a younger sister named Lizzie Davidson, who appears alongside her in Such Brave Girls. The two grew up together and have spoken about how their real-life dynamic influenced the show. No other siblings have been publicly mentioned.

Partner and relationship status

No public information is available about a current partner or spouse. Interviews and profiles do not mention a romantic relationship, and her social media accounts do not indicate one. This remains an unconfirmed aspect of her personal life.

Agent and management

Kat Sadler is represented by The B-Side, a UK-based management agency that handles her professional bookings. Her social media handles are @sadkatler on both Instagram and X (formerly Twitter).

Unverified personal details

Information about Kat Sadler’s exact age, relationship status, and whether she has any siblings beyond Lizzie Davidson has not been confirmed by reliable sources. Most biographical details come from Wikipedia and interviews, which may be incomplete.

What is the career timeline of Kat Sadler?

  1. – Appeared on Mel Giedroyc: Unforgivable (TV panel show).
  2. – Cast in the TV series Tell Me Everything.
  3. – Launched Such Brave Girls on BBC Three.
  4. – Won BAFTA for Scripted Comedy for Such Brave Girls.

What is known and unknown about Kat Sadler?

Established information Information that remains unclear
British comedian, writer, and actress Exact age (Wikipedia says 1994, but not officially confirmed)
Created and stars in Such Brave Girls Partner or spouse status
Won BAFTA in 2024 for Scripted Comedy Whether she has any siblings other than Lizzie Davidson
Managed by The B-Side Real name (Sadler is a stage name; Davidson is family name)
Social media handles: @sadkatler Involvement in The Inbetweeners – she has none

What is the background of Kat Sadler’s rise to fame?

Kat Sadler’s breakthrough came with Such Brave Girls, a dark comedy about mental health that resonated with young audiences on BBC Three and later Hulu. The show’s BAFTA win in 2024 significantly raised her profile, leading to increased public curiosity about her personal life. Much of the confusion surrounding her background – such as the mistaken link to The Inbetweeners – appears to stem from her British comedy circuit and the show’s cult status. No authoritative source has confirmed her age or family relationships beyond the known sister, so most online answers remain speculative.

Where does the information about Kat Sadler come from?

The primary sources for this article include Wikipedia, IMDb, and the management profile at The B-Side. Additional reporting comes from Hot Press, which interviewed Sadler about her family inspiration. The official BBC page for Such Brave Girls also provides streaming details.

What should you remember about Kat Sadler?

Kat Sadler is a rising talent in British comedy, best known for her BAFTA-winning series Such Brave Girls. While her professional achievements are well-documented, much of her personal life – including her exact age, partner, and whether she has other siblings – remains unconfirmed. The show is available on BBC Three in the UK and Hulu in the US, and a second season has been announced. For the most accurate updates, follow her official social media @sadkatler.

Frequently asked questions about Kat Sadler

What is Kat Sadler’s net worth?

Not publicly disclosed.

Is Kat Sadler married?

No information available; partner status is unconfirmed.

Where can I watch Such Brave Girls?

BBC Three in the UK, Hulu in the US.

Does Kat Sadler have a sister?

Yes, her younger sister is Lizzie Davidson, who co-stars in Such Brave Girls.

Is Kat Sadler from The Inbetweeners?

No, that is a common misconception. She has no connection to that show.

What is Kat Sadler’s real name?

Her stage name is Sadler; her family name is Davidson. Her full legal name has not been publicly confirmed.

How old is Kat Sadler?

Wikipedia lists her birth year as 1994, making her 31–32 as of 2025, but this is not officially verified.

Who is Kat Sadler’s agent?

She is managed by The B-Side.

Oliver George Thompson Murray

About the author

Oliver George Thompson Murray

Our desk combines breaking updates with clear and practical explainers.