Police drama Line of Duty is to return to the BBC for a seventh series, with Adrian Dunbar, Vicky McClure and Martin Compston all set to reprise their roles in the hit show. A new six-part series, written by creator Jed Mercurio, will begin filming in Belfast in the spring, the BBC confirmed. McClure said she was "so excited" the series was returning, with Dunbar adding: "What a joy it is to know that the Three Amigos will be back filming together next year." The last series concluded in 2021