Line of Duty

Line of Duty Country UK Channel BBC One, BBC Two Genre Crime, Drama Broadcast 2012-present No. of Seasons 4 No. of Episodes 23 Main Cast Character Actor DS Steve Arnott Martin Compston DC / DS Kate Fleming Vicky McClure Superintendent Ted Hastings Adrian Dunbar

Line of Duty is a UK police procedural drama that first aired on BBC Two, now airing on BBC One. It focuses on the Central Police AC12 Anti-Corruption Unit, headed by Superintendent Ted Hastings (Adrian Dunbar), who investigate police officers suspected of wrongdoing. The first series aired in 2012, the second series in 2014 and the third series in 2016. The fourth series aired in 2017.

The following lists the seasons of the series Line of Duty:

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  Line of Duty - Season 1
  (2012)

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  Line of Duty - Season 2
  (2014)

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  Line of Duty - Season 3
  (2016)