Question: who plays lindsay denton in line of duty?
Answer: Keeley Clare Julia Hawes

Keeley Clare Julia Hawes ( born 10 February 1976 ) is an English actress . She starred in the film version of The Last September ( 1999 ) and has voiced roles in video games , such as Lara Croft in several of the Tomb Raider games . She is also known for her roles as Kitty Butler in Tipping the Velvet , Zoe Reynolds in Spooks ( 2002 -- 2004 ) , Alex Drake in Ashes to Ashes ( 2008 -- 2010 ) , Lady Agnes in the 2010 reboot of Upstairs , Downstairs , Detective Inspector Lindsay Denton in the second and third series of Line of Duty ( 2014 -- 2016 ) , as a mother in search of her abducted child in the BBC series The Missing , and as Louisa Durrell in the ITV series The Durrells .