Miriam Petche is a British actress who gained widespread recognition for her breakout role as Sweetpea Golightly in the HBO Max and BBC One drama series Industry. Born on May 25, 2001, in Brighton, East Sussex, she is currently 24 years old. Though she started as a child actress appearing in shows like Vexed and The Worst Witch, her career skyrocketed when she joined Industry in its third season while still studying at drama school. Her portrayal of the ambitious Gen-Z trading trainee has made her a standout performer in one of television’s most critically acclaimed financial dramas.
Miriam Petche Early Life and Education
Miriam Petche was born and raised in Brighton, East Sussex, where she grew up in a supportive family environment. Her father works as an editor, while her mother is employed in the education sector. She has a sister who shares her childhood memories in Brighton. From a young age, Miriam showed interest in performing arts, which eventually led her to pursue formal training in acting. She studied at the prestigious Guildhall School of Music & Drama in London, one of the UK’s leading institutions for performing arts education. During her time at Guildhall, she performed in various productions including Attempts on Her Life and gained valuable experience that prepared her for professional acting. However, she made the difficult decision to leave drama school before officially graduating to film her scenes for Industry in Cardiff, Wales.
Miriam Petche Career Beginnings
Child Acting Roles
Miriam Petche began her acting journey at just ten years old when she made her television debut in 2012 on the BBC Two show Vexed, where she played the character Chloe Chinbrook. This early exposure to professional acting helped her develop confidence in front of the camera. In 2015, she appeared in the TV movie Zombies Next Door, directed by Marc Price, where she portrayed Alys Briar. Additionally, she performed in stage productions, including the play Runts in London in 2016, where she acted alongside Marisa Abela, who would later become her co-star in Industry.
The Worst Witch
Between 2017 and 2018, Miriam landed a significant role as Esmerelda Hallow in the Netflix and CBBC children’s series The Worst Witch. She appeared in 17 episodes of the show, which became popular among young audiences. The series provided her with consistent work and helped establish her presence in British television. Her performance as Esmerelda showcased her ability to portray complex characters even within children’s programming, setting the stage for more mature roles in the future.
Miriam Petche Breakthrough Role as Sweetpea
Industry (2024–Present)
Miriam’s career-defining moment came when she was cast as Sweetpea Golightly in the third season of Industry, the critically acclaimed HBO Max and BBC One drama about young professionals navigating the cutthroat world of London finance. She joined the show in 2024 while still studying at Guildhall School of Music & Drama, learning about her casting from Marisa Abela, who had been cast in the series back in 2020. For Miriam, this was a full-circle moment, as she had worked with Abela years earlier in the play Runts.
Sweetpea Golightly is portrayed as a trading and sales trainee at the fictional financial institution Pierpoint & Co., later moving to SternTao in Season 4. The character is ambitious, hardworking, and determined to succeed despite lacking a financial safety net. Sweetpea is a multi-dimensional character who works side gigs as a TikTok influencer and OnlyFans content creator while demonstrating exceptional skills in finance and investigative work. The character was partly inspired by British influencer Molly-Mae Hague. Collider described Sweetpea as the “stealth MVP” of Season 3.
Industry Season 4 (2026)
In Season 4 of Industry, which is currently airing as of February 2026, Sweetpea faces new challenges after a scandal involving Rishi Ramani exposes her anonymous online accounts. She joins Harper Stern’s independent venture, SternTao, where she investigates potential fraud involving the fintech company Tender. Episode 5, titled “Eyes Without a Face,” features Sweetpea traveling to Accra, Ghana, to investigate Tender’s operations, where she uncovers what she describes as “a feedback loop of deception”. During this trip, Sweetpea faces a dangerous situation but ultimately proves her worth by exposing the truth. Miriam was confirmed to return for Season 4 in May 2025. The role has significantly expanded her profile, with critics praising her complex character arc throughout the season.
Miriam Petche Filmography
| Year | Title | Role | Type | Episodes |
|---|---|---|---|---|
| 2012 | Vexed | Chloe Chinbrook | TV Series | 1 episode |
| 2015 | Zombies Next Door | Alys Briar | TV Movie | – |
| 2017–2018 | The Worst Witch | Esmerelda Hallow | TV Series | 17 episodes |
| 2024–present | Industry | Sweetpea Golightly | TV Series | 8+ episodes |
| TBA | Believe Me | TBA | TV Series | In production |
Miriam Petche Upcoming Projects
In August 2025, Miriam was cast in the British true crime drama Believe Me, written by Jeff Pope for ITVX. The series features an ensemble cast including Daniel Mays and Aimee-Ffion Edwards. The project is currently in post-production and represents Miriam’s continued expansion into more diverse roles beyond Industry.
Miriam Petche Personal Life
Miriam Petche maintains a relatively private personal life, keeping details about her relationships away from public scrutiny. According to recent reports from January 2026, the actress appears to be single or keeping any romantic relationships low-key. She stands at 5 feet 7 inches (1.70 meters) tall, has blonde hair, green eyes, and speaks with an RP (Sussex) accent. Her physical attributes and training have made her versatile for various acting roles. Beyond acting, Miriam has skills in singing (soprano), period dance, and stage combat, which she developed during her training at Guildhall. She was also involved with the National Youth Theatre before pursuing professional acting.
Miriam Petche Net Worth and Recognition
While Miriam Petche’s exact net worth has not been publicly disclosed, her rising profile in the entertainment industry suggests growing financial success. Her role in Industry has significantly boosted her visibility, leading to increased social media following and recognition within the industry. The show’s critical acclaim and her standout performance have positioned her as one of the promising young talents in British television. As she continues to take on more prominent roles and expand her filmography, her earning potential and industry standing are expected to grow substantially in the coming years.