‘Page-turner’ case confirmed as Line of Duty star teases excited fans

The return of BBC ’s Line of Duty will bring viewers a brand-new case described as a “page turner.”
Martin Compston , who plays Detective Sergeant Steve Arnott, shared the update during a Radio X interview, confirming he will return alongside Vicky McClure (Detective Inspector Kate Fleming) and Adrian Dunbar (Superintendent Ted Hastings) for the forthcoming seventh series.
This marks the first time in four years that the trio will be reunited on screen.
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The Scottish star said: “We’re back.
“We always thought we’d do another one, but we just didn’t want to give people false hope.
“I’m excited to get back now, rather than you could do things and you do it again and again, and it feels like a bit of a chore going back.
“I’m excited to get my waistcoats fitted and all that sort of thing.
He shared that viewers should be excited, as in the five-year gap, creator, writer and executive producer Jed Mercurio has made a “page turner” of a story.
Martin said: “He’s taken that time, he’s got a great story, it’s exciting, it’s a page turner already.
The BBC has announced that filming will begin in Belfast in spring 2026.
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Viewers last saw AC-12 in 2021, when the sixth series finale became the UK’s most-watched drama episode since 2002, drawing 17 million viewers within 28 days.
The upcoming series introduces a major change: AC-12 has been disbanded and rebranded as the Inspectorate of Police Standards.
Despite the change, Arnott, Fleming, and Hastings are assigned their most sensitive case so far.
The latest plot centres around Detective Inspector Dominic Gough, a charismatic officer winning plaudits for a string of takedowns of organised crime, who is accused of abusing his position, but is his case a deliberate distraction from a bigger threat still operating in the shadows?



