Line Of Duty reveals Stephen Graham as Balaclava Man in casting announcement for series five

Graham will play John Corbett alongside Rochenda Sandall (Girlfriends, Broken) as Lisa McQueen - two pivotal figures in a deadly organised crime group. Known to have links with corrupt police officers and suspected to be under direct command of the shadowy figure known only as 'H', Corbett and McQueen become persons of interest to AC-12 following an explosive chain of events.