Stewart-Wilson's first television role was in the series Shine on Harvey Moon, a show based on 1950s London. Her next two roles were one-time appearances in the popular British sitcomGoodnight Sweetheart and playing a secretary in a TV adaptation of Agatha Christie'sPoirot story The Murder on the Links. From there Stewart-Wilson went on to play roles in British sitcoms Days Like These and Starting Out as well as Kiss Kiss, a feature film starring Chris Penn and Stellan Skarsgård. She also played Dina in La Passione, a feature film based on the life of Chris Rea, which opened the London Film Festival in 1997. In 2004 she made an appearance in the long-running British medical dramaHolby City, before moving on to two satirical programs: making an appearance in Look Around You, which won the Rose d'Or award for best comedy, as well as in three episodes of the 24-hour news-mocking Broken News. Throughout 2007 and 2008, Stewart-Wilson worked on a number of television shows. Her most notable credits during this time period were the roles of Barbara Reynholm, the wife of Douglas Reynholm in The IT Crowd, and Nikki in the TV series Jekyll alongside James Nesbitt and Gina Bellman. She also made an appearance in the commercially successful mockumentary feature film . Belinda also played a cameo role in Stephen Poliakoff's Joe's Palace in a scene with Michael Gambon. In 2007, Belinda played various roles in The Peter Serafinowicz Show, going on to appear in The Peter Serafinowicz Show Christmas Special in 2008 which was nominated for a Bafta for Best Comedy in 2009. A "best of" compilation was also aired in 2008. Between 2008 and 2010, she played Will McKenzie's mother Polly in The Inbetweeners, the multi-award-winning sitcom which was nominated for a BAFTA Award for "Best Sitcom" in 2009 and won the BAFTA audience award in 2010. It also won most popular comedy programme at the National Television Awards in 2011. Stewart-Wilson also appears in The Inbetweeners Movie and its sequel, which were both box office successes. However, she is only 13 years older than actor Simon Bird, who played Will. She also plays the recurring role of Christine Johnson in the third series of the cult science-fiction show Primeval. In 2010, she once again appeared in The IT Crowd, this time playing Victoria Reynholm, the wife of Douglas, who mysteriously vanished two weeks into their marriage whilst washing the car. In August 2010, Irish band Pugwash announced that they would be including a song called "Dear Belinda" on their album The Olympus Sound, the track being written as a tribute to Stewart-Wilson for her 40th birthday. Pugwash frontman Thomas Walsh added that Stewart-Wilson had requested that she appear on the final version of the song. Between 2011 and 2014, Stewart-Wilson appeared in the critically acclaimed TV film about Monty Python, Holy Flying Circus, as well as the successful period dramaRipper Street. She also played Nancy in Robert B. Weide's Mr Sloane, alongside Nick Frost. In 2015, Stewart-Wilson played Alison, wife of Mike, in 5 episodes of BBC drama, Ordinary Lies. Stewart-Wilson can be seen starring as American Fiona Crossley in 25 episodes of Disney's production of The Evermoor Chronicles on The Disney Channel. In 2015, Stewart-Wilson appeared alongside Toby Jones, playing his wife, Alice, in a Radio Play for BBC Radio 4 called "The Len Continuum" by Peter Strickland. In 2018, Stewart-Wilson had a recurring role in series 32 and 33 of Casualty, appearing in several episodes as Ciara Cassidy, fellow alcoholic and love interest of Consultant Doctor Dylan Keogh.
Personal life
Stewart-Wilson was married to actor and comedian Ben Miller, until they divorced in 2011. They have a son, Jackson.
