Katherine Kelly (born 19 November 1979) is an English actress. She rose to prominence with her portrayal of Becky McDonald on the ITV soap opera Coronation Street (2006–2012), for which she received multiple awards, including the British Soap Award for Best Actress (2009) and the NTA for Best Serial Drama Performance (2012).
Kelly's subsequent television roles include Lady Mae in Mr Selfridge (2013–2014, 2016), DI Jodie Shackleton in Happy Valley (2016), Miss Andrea Quill in Class (2016), Jane Lowry in Strike Back (2017–2018), DCI Natalie Hobbs in Criminal: UK (2019–2020), Elizabeth Sutherland in Gentleman Jack (2019–2022), DI Karen Renton in Liar (2020), Sally Wright in Innocent (2021), and Angela van Den Bogerd in Mr Bates vs The Post Office (2024), and Dr. Sophia Craven in ‘’The Crow Girl’’ (2025).
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Early life and education
Katherine Kelly was born in Barnsley, South Yorkshire. She grew up in both South Yorkshire and the United States. She has strong links with The Lamproom Theatre in Barnsley, established in 1998 by her father John (who is originally from Castleisland, County Kerry, Ireland), and has regularly supported fund-raising events held there.
She trained at the Royal Academy of Dramatic Art with fellow students Meredith MacNeill, Leo Bill, Elliot Cowan, Laurence Fox, and actor and novelist Anna Hope, graduating in 2001.
Career
Kelly was a regular in the ITV soap opera Coronation Street as Becky McDonald from 2006 until 2012.
Kelly appeared on the 2010 album, Coronation Street: Rogues, Angels, Heroes & Fools. Kelly, in character as Becky McDonald, sang the lead single from the album, If It's Too Late, which was remixed by former PWL and Stock Aitken Waterman "Mixmaster", Pete Hammond.
After she left Coronation Street, she was cast as Miss Hardcastle in She Stoops to Conquer at the National Theatre from 24 January 2012.
Kelly's first television role after leaving Coronation Street was in the 90-minute BBC Four biopic The Best Possible Taste, in which she played Lee Middleton, wife of Kenny Everett. In early 2013 she played socialite Lady Loxley in the ITV drama series Mr Selfridge, later signing on to appear in the second series of the show in 2014 and its final series in 2016.
Later in 2013 she joined the lead cast of The Field of Blood, based on the novel by Denise Mina. Kelly played Maloney, an ambitious woman in the "ferociously male-dominated world of 1980s newspaper journalism". Also that year she starred in the three part ITV thriller, The Guilty, as Claire Reid, mother to a missing five-year-old child.
In 2014 she played Alaura Kingsley in the critically acclaimed production of City of Angels at the Donmar Warehouse directed by Josie Rourke.
In August 2015 it was announced that Kelly would join the cast of Happy Valley, which aired the following year. In the series Kelly portrays DI Jodie Shackleton, a part that was written for her by series creator Sally Wainwright. Kelly enjoyed the opportunity to play a character in her native Yorkshire accent, and prepared for the role by shadowing police detectives in Halifax. Also in 2016 she appeared as the Permanent Secretary in four episodes of The Night Manager.
On 4 April 2016, it was announced that Kelly would appear in the BBC Three Doctor Who spin-off series Class written by Patrick Ness, airing from October 2016. In October 2016, Kelly appeared as Hannah in ITV drama Him.
Personal life
Kelly married Ryan Clark in 2013 in Las Vegas. They have two daughters. In August 2020, the couple announced their separation when Kelly relocated from north London to her home town of Barnsley.
In November 2022, Kelly was reported to be dating actor Tony Pitts.