BBC Unveils First Look At Line Of Duty’s Long-Awaited Seventh Season — With AC-12 Disbanded, Robert Carlyle Joining The Cast And A Disturbing New Investigation That Could Uncover Something Far More Sinister Than Police Corruption

The wait is almost over for Line of Duty viewers as the BBC has officially unveiled the first images from the highly anticipated seventh season of its acclaimed crime thriller.

Martin Compston, Vicky McClure and Adrian Dunbar are returning as Steve Arnott, Kate Fleming and Ted Hastings, reuniting one of British television’s most recognisable crime-fighting teams.

Created and written by Jed Mercurio, the upcoming six-part series promises another gripping investigation filled with suspicion, institutional secrets and potentially dangerous deception.

However, the team will return under very different circumstances.

AC-12 Has Been Disbanded

One of the biggest revelations surrounding the new season is that AC-12, the anti-corruption unit at the heart of the drama, no longer exists in its familiar form.

The department has been disbanded and rebranded as the Inspectorate of Professional Standards, creating a challenging new environment for its investigators.

According to the BBC, anti-corruption work has never been more difficult, and the returning trio will find themselves assigned their most sensitive case to date.

The investigation centres on a specialist police unit responsible for dismantling organised crime groups, where serious allegations against a respected commanding officer threaten to expose deeper problems.

But the accusations may be concealing something even more dangerous.

Robert Carlyle Joins The Cast In A Mysterious New Role

Among the most exciting additions to the seventh season is BAFTA-winning actor Robert Carlyle, known for his performances in Trainspotting and 28 Weeks Later.

Carlyle will play Police Constable Shaun Massie, an experienced Specialist Rifle Officer working within Tactical Operations Unit 7, also known as TO-7.

A highly skilled marksman, Massie is described as a gruff and solitary figure who generally keeps his distance from others.

However, his detached behaviour changes dramatically when his commanding officer becomes the subject of serious allegations.

The reasons behind that transformation remain a mystery, positioning Carlyle’s character as one of the most intriguing figures in the upcoming investigation.

A Respected Detective Faces Disturbing Allegations

Tom Weston-Jones, known for Warrior and Sanditon, joins the series as Detective Inspector Dominic Gough.

A charismatic officer celebrated for his success in dismantling organised crime networks, Gough finds himself accused of abusing his position of authority to engage in predatory sexual behaviour.

The investigation places his entire department under scrutiny.

However, the BBC has hinted that the case could be a deliberate distraction from a much greater threat operating behind the scenes.

The new storyline appears set to revisit the themes of institutional corruption, divided loyalties and hidden agendas that made Line of Duty such compelling television.

Familiar Faces And New Suspects

Alongside the returning central trio, several recognisable characters from previous seasons will make their comeback.

Mark Bonnar returns as former Deputy Chief Constable Mike Dryden, while Owen Teale reprises his role as Chief Constable Philip Osborne.

Perry Fitzpatrick and Christina Chong will also return as DS Chris Lomax and DI Nicky Rogerson respectively.

New cast members include Laura Aikman, Levi Brown and Amy Leigh Hickman as members of Gough’s specialist police unit.

David Calder, Steven Elder, Dominic Mafham, Aimee Powell and Naomi Yang have also joined the expanding ensemble.

When Will Line Of Duty Season Seven Premiere?

Filming for the new season has already wrapped in Belfast, with the BBC confirming that the six-part drama will return to BBC One and BBC iPlayer in 2027.

An exact premiere date has not yet been announced.

With the original team reunited, AC-12 transformed and Robert Carlyle entering the picture, the seventh season is shaping up to be a particularly intriguing chapter in Jed Mercurio’s celebrated crime drama.

The department may have changed its name, but Steve Arnott, Kate Fleming and Ted Hastings are once again preparing to uncover the secrets that powerful people would rather keep buried.