Line of Duty

Line of Duty Country UK Channel BBC One, BBC Two Genre Crime, Drama Broadcast 2012-present No. of Seasons 6 No. of Episodes 30 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. The series focuses on the Central Police AC12 Anti-Corruption Unit, headed by Superintendent Ted Hastings (Adrian Dunbar), who investigate police officers suspected of wrongdoing.

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

• 

  Line of Duty - Season 1
  (2012)

• 

  Line of Duty - Season 2
  (2014)

• 

  Line of Duty - Season 3
  (2016)

• 

  Line of Duty - Season 4
  (2017)

• 

  Line of Duty - Season 5
  (2019)

• 

  Line of Duty - Season 6
  (2021)