Line of Duty Line of Duty’s Dot Cottan actor reveals he originally auditioned for a different role Anna Maxwell Martin to return to Line of Duty as the formidable Carmichael Line of Duty episode 5 first-look images reveal Jo Davidson and Steve Arnott working together Line of Duty fans spot another ‘H’ Easter egg in the background Everything we know about Line of Duty’s DCI Jo Davidson so far Why Tommy Hunter could be Jo Davidson’s relative in Line of Duty – all the clues Line of Duty star Craig Parkinson says Dot Cottan is not Joanne Davidson’s mystery relative Line of Duty season 6 episode 4 recap All the questions we need answered Advertisement Mother of God! Who is DCI Jo Davidson’s mystery blood relative in Line of Duty? Who is Jimmy Lakewell in Line of Duty? Patrick Baladi’s character explained Line Of Duty’s Martin Compston promises upcoming episode 4 is ‘one of the best’ Jed Mercurio has ever written First-look pictures from Line of Duty episode 4 as Ryan feels the pressure Line of Duty recap Season 6 episode 3 leaves us with some big questions and theories – could Jo Davidson be "H"? The same prison guard who attacked DI Lindsay Denton returned in Line of Duty season 6 – did you spot her? Line of Duty explained: What is “Cuckooing”? Who is Ryan Pilkington in Line of Duty? Here’s where we’ve seen him before What do all the Line of Duty acronyms mean? First-look Line of Duty image sees Terry Boyle reunite with Ryan Pilkington Line of Duty fans think they’ve identified a key corrupt character on the Gail Vella audio recording Former Line of Duty star Craig Parkinson predicts: “Something tragic is going to happen to someone we love” Advertisement Line of Duty 12 questions and theories we have after the dramatic second episode of season 6 Everything you need to know about John Corbett’s widow Steph as she returns to Line of Duty Line of Duty series 6 air date and time: Your guide to the next series of the crime drama Meet the cast of Line of Duty Bodyguard producer “confident” we will see series 2 “in due course” Line of Duty star explains decision to leave show for The Syndicate Former Line of Duty star Craig Parkinson on Steve’s possible painkiller addiction: “Jed doesn’t put anything there for no reason” Line of Duty star Craig Parkinson believes Gail Vella could still be alive BBC and Line of Duty explain CHIS acronym used throughout series 6 premiere Who is Carl Banks in Line of Duty? Everything we know about “Ross Turner” 13 huge questions and theories we have after Line of Duty season 6 episode 1 Who is Terry Boyle? Line of Duty season 6 brings back a familiar character Line of Duty Episode Guide