Natalie Cassidy

Outside of acting, Cassidy has fronted the shows Natalie Cassidy's Diet Secrets (2008) and Natalie Cassidy's Real Britain (2009) for the BBC, as well as the E4 series Natalie Cassidy: Becoming Mum (2010). She has hosted the podcasts Life with Nat (2024–present) and Off the Telly (2024–2025), the latter of which was alongside Joanna Page. She has also appeared as a contestant on several reality television shows, taking part in the seventh series of Strictly Come Dancing in 2009 and the ninth series of Celebrity Big Brother in 2012. In 2025, she appeared on the sixth series of The Masked Singer and won the fifth series of Cooking with the Stars, as well as fronting What's the Big Deal: Britain's Best Buys and Natalie Cassidy Learning to Care.

• Name — Natalie Cassidy • Birth Name — Natalie Ann Cassidy • Born — 13 May 1983 • Birthplace — Islington, London, England • Known for — Role of Sonia Fowler in EastEnders • Partner — Adam Cottrell (2009–2013) Marc Humphreys (2014–present) • Children — 2 • Occupation — * Actress • television personality • Years Active — 1990–present

Natalie Ann Cassidy was born on 13 May 1983 in Islington, London to Charles William Cassidy (1937–2021) and Evelyn Elizabeth Cassidy (née Bellamy; 1938–2002). She has two older brothers David and Anthony. Cassidy attended Islington Green School alongside singer Paloma Faith, who was two years above and Cassidy said used to bully her. She trained at the Anna Scher Theatre School.

In April 1993, Cassidy appeared in a production of The Beggar's Opera at Barbican Theatre, London. In December 1993, she joined the cast of the BBC soap opera EastEnders as Sonia Jackson, the youngest daughter of the Jackson family. Known for playing the trumpet as a child, her character's key storylines involved her surprise pregnancy which resulted in her giving birth to a daughter Rebecca, aged 15, whom she gives up for adoption, and later kidnaps before regaining custody after the death of her adoptive parents, the death of her fiancé Jamie Mitchell (Jack Ryder), her marriage, divorce and re-marriage to Martin Fowler (James Alexandrou), her lesbian affair with Naomi Julien (Petra Letang) and feud with her mother-in-law Pauline Fowler (Wendy Richard), who's murder she was falsely arrested for. Her initial stint in the soap lasted 13 years, when in April 2006, the BBC announced Cassidy's departure with her final scenes airing in February 2007. Cassidy also fronted a series Natalie Cassidy Goes Wild in Australia and played a rival to Lauren Cooper in an episode of the BBC Two comedy sketch series The Catherine Tate Show. Following her departure from EastEnders, she began working in theatre, appearing in the UK tours of The Vagina Monologues, Bedroom Farce and Gertrude's Secret, as well as a run of The Cherry Orchard at the Chichester Festival Theatre. Towards the end of 2007, Cassidy made headlines after losing a considerable amount of weight, and released a fitness DVD titled Natalie Cassidy's Then and Now Workout.

In 2008, she starred in the BBC Three documentary Natalie Cassidy's Diet Secrets. She was also a regular panellist on Five's The Wright Stuff and appeared in BBC Radio 4 play Blithe Spirit. Later that year, she again gained press coverage for giving up her diet and regaining weight. In 2009, Cassidy was cast in a supporting role in the BBC Two comedy television series Psychoville, alongside Dawn French and Eileen Atkins and fronted the series Natalie Cassidy's Real Britain. She also provided the voice-over for BBC Three's Underage and Pregnant. In August 2009, Cassidy was announced as a contestant on the seventh series of Strictly Come Dancing. She was partnered with professional Vincent Simone and the pair were the eleventh couple to be eliminated from the competition, finishing in fifth place. • Illustration — Cassidy in 2016 In October 2009, it was announced that Cassidy would reprise her role as Sonia in EastEnders in 2010. She returned to the soap for a short stint in February 2010, in episodes surrounding the wedding of her on-screen sister Bianca Jackson (Patsy Palmer) and Ricky Butcher (Sid Owen). Cassidy would return to the role again a year later for a single episode in January 2011. In 2010, E4 announced that they would produce Cassidy's own reality show, Natalie Cassidy: Becoming Mum. In January 2012, she entered the Celebrity Big Brother house to appear as a housemate on the ninth series. She became the fifth housemate to be evicted on Day 16. Cassidy subsequently became the host of The Health Lottery, a competition broadcast on Channel 5. In October 2013, it was announced that Cassidy would be making a permanent return to EastEnders the following year. She appeared in Jack and the Beanstalk at the Thameside Theatre in Grays, Essex before returning in January 2014, alongside the character's daughter Bex, now played by Jasmine Armfield. Following her return, her storylines included her divorce from Martin (later played by James Bye), coming out as bisexual, a cancer scare, and a relationship with Tina Carter (Luisa Bradshaw-White). In August 2020, Cassidy appeared in the BBC comedy series Mandy. She also guest-starred in a 2021 episode of the BBC sitcom Motherland. In 2024, Cassidy began hosting her own podcast Life with Nat, as well as Off the Telly with Joanna Page which ran until the following year. She also took part in The Great Christmas Bake Off. In January 2025, she competed in the sixth series of The Masked Singer as "Bush", reaching the semi-final. The same month it was announced that Cassidy would again be leaving her role as Sonia in EastEnders, following the conclusion of a storyline which saw her enter a relationship with Reiss Colwell (Jonny Freeman), whom she later discovers is married to Debbie Colwell (Jenny Meier), a woman in a coma. Reiss later used money required for Debbie's care to pay for the couple's IVF treatment, before murdering her, which Sonia was wrongly imprisoned for. After being released and discovering the truth, the character gave birth to a daughter in the Queen Victoria pub during the explosion as part of the 40th anniversary celebrations, which results in the deaths of Reiss and Martin. She departed in April 2025. She also appeared in an episode of the BBC comedy series Boarders. Later that year, Cassidy began fronting the consumer affairs programme What's the Big Deal: Britain's Best Buys for Channel 4, and took part in the fifth series of the ITV competition Cooking with the Stars, ultimately winning the series. In October 2025, Cassidy released her autobiography Happy Days and embarked on a book tour, as well her own show An Evening with Natalie Cassidy at Holroyd Community Theatre. She is also set to front a BBC series Natalie Cassidy Learning to Care in which she trains to be a carer.

In 2012, the Channel 4 comedy show Very Important People featured a spoof reality show segment entitled "Natalie Cassidy Is Doing This Now", which showed its subject engaged in various menial and humorous situations, for example hosing out bins, sorting through old pens, rearranging her furniture and taking her spare change to Coinstar. The role of Cassidy was played by comedian Morgana Robinson. Robinson also appeared as Cassidy in her own series Morgana Robinson's The Agency and on an episode of the comedy panel show 8 Out of 10 Cats Does Countdown in 2019. In 2013, she was impersonated by impressionist Philip W. Green on seventh series of Britain's Got Talent.

Between 2009 and 2013, Cassidy was in an on-off relationship with Adam Cottrell, a transport manager from Bristol. They have a daughter together, born in September 2010. In 2011, Cottrell was sentenced to 120 hours of unpaid work after pleading guilty to assault and criminal damage for attacking Cassidy at their home in Hertfordshire. He was also given a restraining order banning him from contacting Cassidy for two years. They reunited and became engaged, after Cassidy gave him a "sober up or leave" ultimatum, but they split up permanently in 2013. Since 2014, Cassidy has been in a relationship with cameraman Marc Humphreys. In October 2015, it was announced that the couple were engaged, and a few months later, in February 2016, Cassidy revealed she was pregnant with her second child. She gave birth to their daughter in August 2016. In January 2019, it was announced that she would be running the London Marathon with some of her EastEnders co-stars for a dementia campaign in honour of their former castmate Barbara Windsor.

Television • Year — Title — Role — Notes — Ref(s) Reference(s) • 1993–2025 — EastEnders — Sonia Fowler — Regular role • 1999 — Pudding Lane — Charity special • 2004 — Natalie Cassidy Goes Wild in Australia — Herself — Documentary • 2006 — The Catherine Tate Show — Cheerleader — Episode: "1951–2006" • 2008 — Natalie Cassidy's Diet Secrets — Herself — Documentary • The Wright Stuff — Regular panellist • 2009 — Things Talk — Sofa / Satsuma — Voice role • Psychoville — Lorraine — 2 episodes • Natalie Cassidy's Real Britain — Herself — Presenter • Strictly Come Dancing — Herself — Contestant; series 7 • 2010 — Natalie Cassidy: Becoming Mum — Main role • 2009–2011 — Underage and Pregnant — Narrator; 22 episodes • 2012 — Celebrity Big Brother — Housemate; series 9 • Crime Stories — Hannah Stevenson — 1 episode • 2020 — Mandy — Donna Ball — Episode: "Broadsword to Donna Ball" • 2021 — RuPaul's Drag Race UK — Herself — Episode: "BeastEnders" • Motherland — Ms Vaughn — Episode: "School Trip" • 2022 — The Train — Passenger — Web miniseries; episode: "Autumn" • 2024 — The Great Christmas Bake Off — Herself — Contestant; 1 episode • 2025 — The Masked Singer — Herself / "Bush" — Contestant; series 6 • Boarders — Sharon Hail — 1 episode • What's the Big Deal: Britain's Best Buys — Herself — Presenter • Cooking with the Stars — Winner; series 5 • 2026 — Natalie Cassidy: Caring Together — Documentary series • CBeebies Bedtime Story — One episode • Alley Cats — Gus's mum — Voice role Video • Year — Title — Role — Notes — Ref(s) Reference(s) • 2007 — Natalie Cassidy's Then and Now Workout — Herself / Presenter — Fitness DVD

• Year — Title — Role — Venue — Ref(s) Reference(s) • 1993 — The Beggar's Opera — Child — Barbican Theatre, London • 2007 — The Vagina Monologues — Various — UK tour • 2007 — Bedroom Farce — Kate — UK tour • 2008 — Gertrude's Secret — Eva — UK tour • 2008 — The Cherry Orchard — Varya — Chichester Festival Theatre • 2013–2014 — Jack and the Beanstalk — Fairy — Thameside Theatre, Essex • 2025 — An Evening with Natalie Cassidy — Herself — The Holroyd Community Theatre

• Off the Telly (2024–2025) • Life with Nat (2024–present)