Line of Duty fans convinced they know identity of Jo Davidson's mystery relative after cliffhanger

Line of Duty's finale episode has been extended to 90 minutes to give viewers an extra half hour of action. The final episode of season 6 is due to air on Sunday - with fans hoping the identity of H will be revealed.The future of the show has been left hanging in the balance as Martin Compston promised: "There are a lot of pay-offs coming this Sunday.

If you’ve been wondering where you’ve seen Line of Duty’s DS Chris Lomax before, it might well be from his other starring roles with Vicky McClure - including playing her lover. In BBC One’s hit police drama, Vicky plays DI Kate Fleming in the same murder investigation team as DS Lomax, played by Perry Fitzpatrick.

Line of Duty fans are currently trying to work out who mystery villain ‘H’ is, as the hit series nears to an end. Suspicion has been rife, with some believing DCS Patricia Carmichael, played by Anna Maxwell Martin, to be the guilty party, while others are confined Ted Hastings, played by Adrian Dunbar, is ‘H.’ However, it’s DC Chloe Bishop who is played by Shalom Brune-Franklin, who has now got the attention of fans, and viewers are convinced she’s up to no good.

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Line of Duty fans have gone crazy over the latest Line of Duty blunder which saw Scotsman Martin Compston make two major mistakes about what happens in his native land. The Greenock -born actor came up with a couple of clangers in Sunday night’s record-long interrogation of Acting Detective Superintendent Jo Davidson in the hit BBC show.

Line of Duty fans are convinced that they know the identity of the man that Jo Davidson thought was her dad up until last night’s pivotal episode. In a particularly gruelling AC-12 interview scene, Davidson, played by Kelly Macdonald, was told the sickening truth that her Uncle, former OCG boss Tommy Hunter, was also her dad.

Once again last night’s episode of Line of Duty didn’t disappoint, as the hit BBC One drama provided viewers with bombshell after bombshell. And in one particularly memorable scene near the climax of the installment, AC-12 were shocked to discover one of their key suspects, potentially corrupt cop Marcus Thurwell, had been found dead in Spain during a police raid.

Following another thrilling episode of Line of Duty, viewers are sure they know who the identity of the infamous ‘H’ is. Fans of the hit BBC drama have speculated that corrupt cop ‘H’ is in fact actor James Nesbitt, after he made a surprise cameo appearance on Sunday night’s episode.

Line of Duty has been upping the ante week after week and we’ve learned to expect absolutely anything and everything.

Line of Duty fans were left on the edge of their seats again after Sunday night’s episode, following a nail-biting face-off between DI Kate Fleming and corrupt PC Ryan Pilkington. And on top of all the drama unfolding, some viewers spotted a hidden clue which revealed just how exactly DCI Jo Davidson, played by Kelly Macdonald, is related to dead crime lord Tommy Hunter.