The actor played DCI Jo Davidson in the sixth series of the BBC crime drama.
The slick drama had a disappointing ending for many of those tuning in.
The actor just has one small issue that bothers him.
The adaptation of Louise Candlish's novel comes to TV in March.
The slick thriller is set to come to ITV later this year.
The show's sixth series wrapped last year.
The upcoming series will star Vicky McClure, Sheridan Smith, Martin Compston and Joe Cole.
The 'Line Of Duty' star hit back at criticism from a viewer who complained his latest show 'Vigil' had come to a anticlimactic ending.
As Suranne Jones and Rose Leslie BBC One drama Vigil heads for a finale, the creative team behind the series reveal how they made the most watched new drama of the year.
The TV presenter accepted the award for Authored Documentary for her film Finding Derek which documents her husband’s long battle with the coronavirus.
New submarine drama Vigil shines on the high seas thanks to great plot and fantastic ensemble cast.
Martin Compston met Tianna Flynn in 2013, before 'Line of Duty' had become a big deal in the United States.
The BBC's Line of Duty has found an unlikely fan in the shape of best-selling author Stephen King.
'Line of Duty' star Martin Compston has tweeted a hilarious response to a picture of him on a billboard on Times Square.
The Cheshire parish council clerk whose Zoom antics went viral earlier this year was drafted in to help host Jack Whitehall introduce opening act Coldplay.
'Line of Duty' creator Jed Mercurio has defended the finale episode following audience research results show 'far less extreme picture.'
The stars of the BBC crime drama promised to all get AC12 tattoos if the show got 12 million viewers.
There are so many questions after episode 7 of series 6.
The series 6 finale revealed the identity of the 'Fourth Man'.
Martin Compston is from Greenock in Scotland, which came as a surprise to 'Line of Duty' fans.
The sixth series of the hit show is coming to an end.
So many pieces of the puzzle remain missing.
'Line of Duty' viewers are convinced that James Nesbitt's character Marcus Thurwell is very much still alive.
The penultimate episode will keep audiences guessing.
Line of Duty fans think they have uncovered 'H's' identity after a misspelling in the latest episode