Duration: 1h

TV-MA 9.0 Crime / Drama / Thriller

Line of Duty S4E6

AC-12 pit their wits against Roz Huntley in a climactic duel to find Tim Ifield's murderer and unmask Balaclava Man.

Release Date: April 30, 2017 (UK)

Creator: Jed Mercurio

Cast: Martin Compston, Vicky McClure, Adrian Dumbar, Craig Parkinson, Gregory Piper, Nigel Boyle, Anneika Rose, Keeley Hawes, Polly Walker