Scripted series · BBC One
Line of Duty
If you think catching criminals is tough, try catching police officers.
Who's in it
Cast
The principal ensemble across the run of the series.
Thandiwe Newton
DCI Roz Huntley
6 eps
Martin Compston
DS Steve Arnott
42 eps
Lennie James
Tony Gates
5 eps
Keeley Hawes
Lindsay Denton
12 eps
Vicky McClure
DC Kate Fleming
42 eps
Adrian Dunbar
SI Ted Hastings
42 eps
Lee Ingleby
Nick Huntley
6 eps
Gaite Jansen
Hana
6 eps
Claudia Jessie
DC Jodie Taylor
6 eps
Royce Pierreson
DC Jamie Desford
6 eps
Gregory Piper
Ryan Pilkington
15 eps
Patrick Baladi
Jimmy Lakewell
6 eps
Mark Stobbart
DS Neil Twyler
6 eps
Arsher Ali
PC Harinderpal 'Hari' Baines
6 eps
Mark Bonnar
DCC Mike Dryden
6 eps
Daniel Mays
Sgt Danny Waldron
6 eps
Faraz Ayub
DC Deepak Kapoor
5 eps
Leanne Best
PC Jackie Brickford
6 eps
Polly Walker
Gill Biggeloe
12 eps
Maya Sondhi
PC Maneet Bindra
14 eps
Stephen Graham
John Corbett
6 eps
Rochenda Sandall
Lisa McQueen
6 eps
Kelly Macdonald
DCI Jo Davidson
7 eps
Anneika Rose
Farida Jatri
13 eps
Matthew Forsythe
Suitor
7 eps
Shalom Brune-Franklin
DC Chloë Bishop
7 eps
Craig Parkinson
Matthew 'Dot' Cottan
18 eps
Neil Morrissey
Nigel Morton
8 eps
Nigel Boyle
DI Ian Buckells
11 eps
Paul Higgins
ACC Derek Hilton
10 eps
George Costigan
Patrick Fairbank
8 eps
Jason Watkins
Tim Ifield
7 eps
Owen Teale
Philip Osborne
10 eps
Scott Reid
Michael Farmer
5 eps
Neet Mohan
PC Simon Bannerjee
4 eps
Gina McKee
Jackie Laverty
3 eps
Darren Morfitt
PS Colin Brackley
3 eps
Alison Lintott
Rita Bennett
3 eps
Brian Miller
Alf Butterfield
3 eps
Jordyn-Eve Davis Greene
Natalie Gates
5 eps
The Nutevio profile
TV DNA
How Line of Duty actually feels to watch, measured on the traits our editors track across every series.
Signature profile
Line of Duty reads strongest on Character Depth, Tension and Cliffhanger Intensity.
How fully written and psychologically layered the ensemble is.
The sustained pressure the series keeps you under.
How often an episode ends on a hook you can't ignore.
How hard it is to stop after one episode.
How much the series is designed to affect you.
How much each hour depends on the one before it.
Visual ambition — scale, craft and set-piece filmmaking.
The scale, internal logic and texture of the world.
How often the series is genuinely funny, by design.
The story
What it's about
A drama about the investigations of AC-12, a controversial police anticorruption unit.
The run
Seasons
7 seasons · 36 episodes.
- Poster unavailableSpecials
Season 0 · Complete
Specials
20162 episodes
Season 1 · Complete
Series 1
20125 episodes
7.5IMDbDS Steve Arnott is transferred to the police anti-corruption unit after the death of a man in a mistaken shooting during a counter-terrorist operation by another cop.
Best episode · S01E05 Episode 5
Season 2 · Complete
Series 2
20146 episodes
8.4IMDbAn ambush of a police convoy results in three police officers dead and a protected witness seriously injured. The sole surviving police officer is Detective Inspector Lindsay Denton. Deputy Chief Constable Mike Dryden takes personal charge, assigning AC-12 to the case. Initially AC-12’s most valuable witness, the suspicion soon arises that Denton could be their prime suspect. In the pursuit of corruption, how far will they go to uncover the truth?
Best episode · S02E02 Episode 2
Season 3 · Complete
Series 3
20166 episodes
8.4IMDbAfter a criminal is shot dead during a police raid, the AC-12 team begins examining the conduct of Sergeant Danny Waldron, leader of an elite unit. But Waldron’s loyal team obstructs the investigation, and the truth about the shooting proves more complicated than Arnott and Fleming could ever have imagined.
Best episode · S03E06 Episode 6
Season 4 · Complete
Series 4
20176 episodes
8.3IMDbThe fourth series sees AC-12 facing their most devious opponent yet! Under pressure from her superiors, DCI Roz Huntley charges a young man with a series of murders after months of fruitless investigation, but is he guilty? The Chief Forensic Investigator has doubts and turns to AC-12.
Best episode · S04E06 Episode 6
Season 5 · Complete
Series 5
20196 episodes
8.5IMDbSeries 5 follows the actions of Superintendent Ted Hastings, D.I. Kate Fleming and D.S. Steve Arnott as they investigate an Organised Crime Group with links to missing undercover officer D.S. John Corbett.
Best episode · S05E04 Episode 4
Season 6 · Complete
Series 6
20217 episodes
7.5IMDbSeries 6 sees AC-12 facing their most enigmatic adversary so far: Detective Chief Inspector Joanne Davidson, the senior investigating officer of a high-profile unsolved murder.
Best episode · S06E05 Episode 5
- Poster unavailableSeries 7
Season 7 · Unannounced
Series 7
6 episodes
Where the series peaks
Best Episodes
The hours that define the show, ranked by audience response and editorial signal.
S03E06
Episode 6
DS Steve Arnott is arrested on suspicion of murder but continues to protest his innocence.
- Directed by John Strickland
- Written by Jed Mercurio
S05E04
Episode 4
Tensions rise in the OCG following the events at Eastfield. With troubling questions hanging over the identity of ‘H', suspicions mount at AC-12.
- Directed by John Strickland
- Written by Jed Mercurio
S04E06
Episode 6
While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.
- Directed by John Strickland
- Written by Jed Mercurio
S03E05
Episode 5
Loyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues.
- Directed by John Strickland
- Written by Jed Mercurio
S05E05
Episode 5
As the hunt for 'H' intensifies, Steve and Kate wonder if Hastings is guarding a dark secret.
- Directed by Susan Tully
- Written by Jed Mercurio
S05E06
Episode 6
In a nail-biting 90-minute finale, Hastings's secrets are laid bare. Will 'H' be revealed at last?
- Directed by Susan Tully
- Written by Jed Mercurio
Behind the series
Created by
Showrunners, creators, executive producers and the writers who set the voice of the series.
The craft
Key Crew
Directing, writing, production, camera, music and editing.
Created by
- Jed MercurioCreator
Writing
- Jed MercurioWriter
Direction
- Jed MercurioDirector
- Daniel NettheimDirector
- John StricklandDirector
- David CaffreyDirector
- Gareth BrynDirector
- Michael KeillorDirector
Where to watch
Streaming
Availability verified against regional listings.
- Amazon Prime VideoStreaming
- Amazon VideoBuy
- Amazon VideoRent
- Apple TV StoreBuy
- fuboTVStreaming
- Peacock PremiumStreaming
- Google Play MoviesBuy
- Britbox Apple TV Channel Streaming
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- Acorn TVStreaming
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- Acorn TV Apple TVStreaming
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