Line of Duty A drama about the investigations of AC-12, a controversial police anticorruption unit. Details Casts Galleries Posters Season Lists Title Line of Duty Genres Crime Drama Mystery First Air Date 2012-06-26 Last Air Date 2021-05-02 Episode Runtime 01 Hours 00 Minutes Total Season(s) 6 Total Episode(s) on All Seasons 36 Runtime 60 Production Companies World Productions, BBC Drama Productions Martin Compston... DS Steve Arnott... Vicky McClure... DC Kate Fleming... Adrian Dunbar... SI Ted Hastings... Gregory Piper... Ryan Pilkington... Nigel Boyle... DI Ian Buckells... Kelly Macdonald... DCI Jo Davidson... Owen Teale... Philip Osborne... Anneika Rose... Farida Jatri... Original Size (3840x2160) Original Size (3840x2160) Original Size (1920x1080) Original Size (2000x1125) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (1920x1080) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (2048x1152) Original Size (3840x2160) Original Size (3840x2160) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (1000x1500) Original Size (2000x3000) Original Size (1470x2205) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (1000x1500) Original Size (680x1000) Original Size (1000x1500) Original Size (680x1000) Original Size (2000x3000) Original Size (1200x1800) Original Size (720x1080) Original Size (1000x1500) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (1708x2562) Original Size (2000x3000) Original Size (1708x2562) Season 1 5 Episode(s) 2012-06-26 Season 2 6 Episode(s) 2014-02-12 Season 3 6 Episode(s) 2016-03-24 Season 4 6 Episode(s) 2017-03-26 Season 5 6 Episode(s) 2019-03-31 Season 6 7 Episode(s) 2021-03-21