Duration: 1h

TV-MA 8.5 Crime / Drama / Thriller

Line of Duty S4E4

The discovery of new forensic anomalies appears to provide AC-12 with a major breakthrough. Meanwhile, Nick Huntley comes under scrutiny.

Release Date: April 16, 2017 (UK)

Creator: Jed Mercurio

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