Title: Line of Duty (series 2)
Content: Keeley Hawes as DI Lindsay Denton ; Martin Compston as DS Steve Arnott ; Vicky McClure as DC Kate Fleming ; Adrian Dunbar as Superintendent Ted Hastings ; Craig Parkinson as DI Matthew "Dot" Cottan (credited with main cast in episodes in which he appears) ; Jessica Raine as DC Georgia Trotman (credited with main cast in episode in which she appears) 
Title: Line of Duty (series 3)
Content: Daniel Mays as Sergeant Daniel Waldron ; Martin Compston as DS Steve Arnott ; Vicky McClure as DC Kate Fleming ; Adrian Dunbar as Superintendent Ted Hastings ; Craig Parkinson as DI Matthew "Dot" Cottan ; Keeley Hawes as Lindsay Denton 
Title: Line of Duty (series 2)
Content:  Keeley Hawes received a Leading Actress nomination for her role as DI Lindsay Denton at the 2015 British Academy Television Awards.
Title: Line of Duty (series 2)
Content:  The second series of Line of Duty, consisting of six episodes, premiered on 12 February 2014 on BBC Two. The series follows Superintendent Ted Hastings (Adrian Dunbar), DS Steve Arnott (Martin Compston) and DC Kate Fleming (Vicky McClure) as they lead an investigation into the corrupt actions of DI Lindsay Denton (Keeley Hawes). Additional characters include DI Matthew Cottan (Craig Parkinson) and DC Nigel Morton (Neil Morrissey). Beginning with this series, Dunbar and Parkinson are credited as main cast members in the opening credits.
Title: Line of Duty (series 6)
Content: Kelly Macdonald as DCI/Acting DSU Joanne Davidson ; Martin Compston as DS/DI Steve Arnott ; Vicky McClure as DI Kate Fleming ; Adrian Dunbar as Superintendent Ted Hastings ; Anna Maxwell Martin as DCS Patricia Carmichael 
Title: Line of Duty (series 1)
Content: Adrian Dunbar as Superintendent Ted Hastings ; Craig Parkinson as DS Matthew "Dot" Cottan ; Neil Morrissey as DC Nigel Morton ; Gina McKee as Jackie Laverty ; Kate Ashfield as Jools Gates ; Heather Craney as DCI Alice Prior ; Brian McCardie as Tommy Hunter ; Gregory Piper as Ryan Pilkington ; Lauren O'Rourke as Keely Pilkington ; Tomi May as Miroslav Minkowicz ; Elliot Rosen as Terry Boyle ; Claire Keelan as DS Leah Janson ; Nigel Boyle as DI Ian Buckells ; Faraz Ayub as DC Deepak Kapoor ; Paul Higgins as Chief Superintendent Derek Hilton ; Owen Teale as Chief Inspector Philip Osborne ; Fiona Boylan as PC Karen Larkin ; Neet Mohan as PC Simon Bannerjee ; Darren Morfitt as PS Colin Brackley ; Marie Critchley as Jane Hargreaves, social worker ; Alison Lintott as Rita Bennett, civilian police investigator ; Elisa Lasowski as Nadzia Wojcik, waitress at the Sunflower Cafe ; Dylan Duffus as Wesley Duke ; Brian Miller as Alf Butterfield 
Title: Line of Duty (series 1)
Content: Lennie James as DCI Tony Gates ; Martin Compston as DS Steve Arnott ; Vicky McClure as DC Kate Fleming 
Title: Line of Duty (series 3)
Content:  The third series of Line of Duty, consisting of six episodes, premiered on 24 March 2016 on BBC Two. The series follows Superintendent Ted Hastings (Adrian Dunbar), DS Steve Arnott (Martin Compston) and DC Kate Fleming (Vicky McClure) as they lead an investigation into the corrupt actions of Sergeant Danny Waldron (Daniel Mays). Supporting cast includes Craig Parkinson as DI Matthew "Dot" Cottan and Polly Walker as Gill Biggeloe. Keeley Hawes returns as DI Lindsay Denton.
Title: Line of Duty (series 5)
Content: Stephen Graham as DS John Corbett ; Martin Compston as DS Steve Arnott ; Vicky McClure as DI Kate Fleming ; Adrian Dunbar as Superintendent Ted Hastings ; Anna Maxwell Martin as DCS Patricia Carmichael 
Title: Line of Duty (film)
Content: Aaron Eckhart as Frank Penny ; Courtney Eaton as Ava Brooks ; Ben McKenzie as Dean Keller ; Giancarlo Esposito as Police Captain Tom Volk ; Jessica Lu as Clover ; Dina Meyer as Ruth Carter 

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