Catherine Kelly

Kelly joined the cast of Liar for its second series in 2020, playing Detective Karen Renton. A character bio for Renton describes her as an “unconventional” officer, whose “bluntness” often ruffles feathers. Of her role, Kelly stated “It's my belief that Karen Renton is that way because she has to be that, and if she wasn't that, I wouldn't believe that out of all the detectives that they could send from the Met to solve this front-page news story, why would they pick her if she wasn't excellent at her job?," she said. “I think she would have been chosen because she can act very quickly and very swiftly, and she has great instincts.

In 2018, Kelly made her first film appearance since 2009 in Dirty God. She plays Lisa, Jade's mother. She also plays Jaqueline Jones in the feature film Official Secrets. In 2019, Kelly appeared in an episode of Flack, as Brooke. Later that year, Kelly portrayed Leah in four part ITV drama Cheat. She plays DI Karen Renton in the second series of Liar for ITV/Two Brothers Pictures. In September, 2019, Netflix released its mini-series Criminal: UK with Kelly in the role of the lead investigator.

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.

Kelly married Ryan Clark in 2013 in Las Vegas. In 2014, she gave birth to their first child, a daughter named Orla Kelly Clark. On 21 October 2016, she gave birth to a second daughter, Rose Christie Clark.

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.

In 2014 she played Alaura Kingsley in the critically acclaimed production of City of Angels at the Donmar Warehouse directed by Josie Rourke.

Since leaving Coronation Street, she has played Lady Mae in the ITV drama series Mr Selfridge (2013–2014, 2016) and starred in ITV drama Cheat as Leah in 2019. Kelly is also known for her roles in Happy Valley, Class (2016), Criminal: UK (2019) and a starring role in the second series of Liar (2020).

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 ten part 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.

After she left Coronation Street, she starred as Miss Hardcastle in She Stoops to Conquer at the National Theatre from 24 January 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. Coronation Street.

Kelly starred in ITV soap opera Coronation Street as Becky McDonald from 2006 until 2012.

Kelly was born in Barnsley, South Yorkshire she grew up in both South Yorkshire and the USA. 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 and Laurence Fox, graduating in 2001.

Katherine Kelly (born 19 November 1979 in Barnsley, South Yorkshire) is an English actress and presenter, who made her TV debut in 2003, appearing on Last of the Summer Wine. Kelly Rose to prominence after portraying Becky McDonald in the ITV soap opera Coronation Street between 2006 and 2012. For this role, Kelly won multiple awards including a National Television Award for Best Serial Drama Performance in 2012.