Line of Duty
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| Show name | Line of Duty |
| Genre | Crime drama, Police procedural |
| Creator | Jed Mercurio |
| Country | United Kingdom |
| Language | English |
| Num episodes | 36 |
| Executive producer | Jed Mercurio |
| Composer | Ludovico Einaudi |
| Runtime | 60 minutes |
| Company | World Productions (company) |
| Network | BBC Two; BBC One |
Line of Duty is a British television crime drama created by Jed Mercurio that follows investigations into police corruption by the fictional Anti-Corruption Unit 12 (AC-12). First broadcast on BBC Two in 2012 before moving to BBC One, the series blends serialized investigative plotting with procedural set pieces and ensemble performances. It has become a cultural touchstone in the United Kingdom, influencing portrayals of institutional corruption and police ethics across television industries.
Premise and Concept
The series centers on AC-12, led by superintendent Ted Hastings, and its investigators who probe allegations against officers in forces such as Central Police Force (fictional analogue). Storylines focus on internal inquiries, witness protection, surveillance operations and courtroom tension involving figures reminiscent of controversies in institutions like West Midlands Police, Metropolitan Police Service, and scandals examined in inquiries such as the Macpherson Report. Plot devices include undercover operations, digital forensics, and interrogations that echo high-profile cases involving entities like Enron, Watergate scandal, and inquiries into figures comparable to Keith Vaz and John Yates.
Production and Development
Created and principally written by Jed Mercurio, production was undertaken by World Productions (company) with executive producers including senior television figures who previously collaborated on series such as Bodies (TV series). Filming locations spanned urban sites evocative of Birmingham and London with studio work at facilities used by productions like Doctor Who and Sherlock (TV series). Development drew on Mercurio's background in NHS (England)-era dramas and earlier scripts for series such as Line of Duty's creator's other works. The show transitioned from BBC Two to BBC One following rising ratings comparable to shifts experienced by Doctor Who during timeslot changes. Technical advisers included former officers and legal consultants familiar with institutions like the Crown Prosecution Service and protocols paralleling those of Independent Office for Police Conduct.
Cast and Characters
The principal ensemble features actors whose careers intersect with British drama and film. Central figures include Superintendent Ted Hastings (portrayed by Adrian Dunbar), DI Steve Arnott (portrayed by Martin Compston), and DS Kate Fleming (portrayed by Vicky McClure). Antagonists and investigated figures have included characters analogous to notorious personalities investigated in inquiries such as Operation Elveden and Operation Yewtree, played by performers with credits in series like Peaky Blinders, Broadchurch, The Crown (TV series), and films from studios like BBC Films and Working Title Films. Recurring roles also feature actors associated with institutions such as Royal Court Theatre and companies like National Theatre (London). The ensemble casting strategy mirrors stage-to-screen crossovers seen with artists from Royal Shakespeare Company and television veterans from series such as Casualty (TV series).
Episodes and Series Overview
Across six series and 36 episodes, the narrative structure often spans an entire series, allowing long-form plots reminiscent of serialized dramas like The Wire and Breaking Bad. Each series introduces new corruption cases that intersect with prior investigations, creating continuity akin to franchises such as Law & Order and CSI: Crime Scene Investigation. Standout episodes feature intricate sting operations and confrontations echoing scenes from landmark television trials such as those depicted in Rumpole of the Bailey and dramatic set pieces comparable to The Sweeney. Ratings milestones paralleled high-viewership episodes of dramas like Downton Abbey and prompted international distribution deals with platforms and networks similar to Netflix and AMC (TV network).
Themes and Style
The series interrogates institutional accountability, loyalty, and ethical ambivalence, deploying interrogation-room drama, moral ambiguity, and procedural detail. Stylistically, it blends the terse realism of productions from Ken Loach-influenced dramas with the tense editing rhythms found in works by directors such as Christopher Nolan and television auteurs like David Simon. The show foregrounds hierarchical tension within organizations comparable to MI5 and Secret Intelligence Service portrayals, and it explores the impact of corruption on communities reminiscent of narratives about Bradford and Liverpool affected by policing controversies.
Reception and Impact
Critically acclaimed for tight plotting, performances, and moral complexity, the series drew comparisons to investigative dramas like Prime Suspect and The Killing (Danish TV series). It sparked broad public debate in outlets including The Guardian (newspaper), The Times, and broadcasters such as BBC Radio 4, influencing discourse about reforms advocated by commissions like the Lammy Review. Internationally, the series influenced adaptations and inspired creators across markets including the United States, Australia, and Canada, paralleling the export success of series like Skins (UK TV series) and Top Gear.
Awards and Accolades
The programme and its cast received nominations and awards from institutions such as the British Academy Television Awards, the National Television Awards, and the Royal Television Society Awards. Lead performances and writing were recognized alongside accolades previously awarded to productions like Line of Duty's peers, with wins and nominations increasing the profiles of actors who subsequently appeared in productions by companies such as BBC Studios and ITV Studios.
Category:British television crime dramas