The fourth season of critically acclaimed police drama, Line Of Duty, is currently in post production at Yellowmoon. Written by Jed Mercurio, this series sees AC–12 in the thick of a career–defining case, Operation Trapdoor.

Actress Thandie Newton (Westworld, Crash) will star in the fourth series of Jed Mercurio’s hit drama with cast members Martin Compston, Vicky McClure and Adrian Dunbar returning.

Newton will take on the role of new AC–12 antagonist DCI Roz Huntley. Under intense pressure to catch the culprit and prove herself to her superiors, and facing conflict with her colleague, Forensic Coordinator Tim Ifield (Jason Watkins – Love Nina), it’s not long before AC–12 decide to probe her handling of the investigation. A mother of two and wife to husband Nick, (Lee Ingleby – The A Word, Our Zoo), Roz will do anything to stop her life unravelling.

Determined to uncover the truth, Detective Sergeant Steve Arnott (Martin Compston), Detective Sergeant Kate Fleming (Vicky McClure) and Superintendent Ted Hastings (Adrian Dunbar) must work together to tackle their most devious opponent yet. They are aided by PC Maneet Bindra (Maya Sondhi) and newcomer Detective Constable Jamie Desford (Royce Pierreson).

This third series, which was also post produced at Yellowmoon, was the highest–rating BBC Two drama series ever since current measuring system began in 2002, with a series consolidated average of 5.1 million. The exhilarating 90–minute finale consolidated at 5.6 million.

Line Of Duty is being edited by Steve Singleton and Andrew McClelland who are being assisted by assembly editor Helen Sheridan. The colourist is Jet Omoshebi, the re–recording mixer is Paul Maynes, and Jonathan Fetherston is the on–line editor.