Line of Duty S4, E4

Drama series following the investigations of AC-12, a controversial police anti-corruption unit.

Cast:Martin Compston , Vicky McClure , Adrian Dunbar , Craig Parkinson , Gregory Piper , Aiysha Hart , Maya Sondhi , Keeley Hawes , Nigel Boyle , Polly Walker , Paul Higgins , Anneika Rose , Neil Morrissey , Tomi May , Ace Bhatti , Elizabeth Rider , Owen Teale , Kelly Macdonald