List of Line of Duty episodes

[31] The series primarily follows the actions of Anti-Corruption Unit 12 (AC-12), a task force located within the fictional Central Police Constabulary.

[33] Martin Compston and Vicky McClure also starred in all six series as AC-12 officers Steve Arnott and Kate Fleming, respectively.

[35] These roles were performed by Lennie James,[36] Keely Hawes,[37] Daniel Mays,[38] Thandie Newton,[39] Stephen Graham,[40] and Kelly Macdonald.

[41] Other starring cast members include Craig Parkinson,[42] Jessica Raine,[43] Jason Watkins,[44] and Anna Maxwell Martin.

[45] Over the course of the programme, an overarching storyline develops that connects numerous characters to an organised crime group which is found to be involved in a large conspiracy with high-ranking officers of the police department.