Line of Duty star Gregory Piper, who plays PC Ryan Pilkington, has revealed his character may well kill again in the upcoming episodes of the sixth series.

He spoke to This Morning's Alison Hammond and Dermot O'Leary about how he could never have thought when he first starred in the show's series one, when he was aged 13, that he would return to play the part again six years later in the fifth series.

Ryan is a corrupt officer working for the OCG, having first appeared as a juvenile offender caught by AC-12, before growing up and joining the police force.

"It's an absolute dream, it's mad to think what the show turned into when I was a little kid, would have been absolutely mind-blowing," said Gregory.

Gregory Piper plays Ryan Pilkington after returning to the role he first played aged 13
Gregory Piper plays Ryan Pilkington after returning to the role he first played aged 13

"It's crazy, I am so so lucky to have been offered that experience, it's amazing."

He added: "In series one I had absolutely no idea anything else would happen from it, it was an amazing experience when I was younger and I moved on, but then I got the call for season five, and I couldn't believe I was going to be involved in that world again. "

Alison asked if Ryan would kill again, and he laughed: " I mean, you know… We’ve seen what he’s done before, so I think anything’s on the table!"

Ryan Pilkington is a corrupt police officer secretly working for an organised crime group
Ryan Pilkington is a corrupt police officer secretly working for an organised crime group

Gregory admitted it was "hard" to see any good in Ryan, who in the most recent episode, threatened DCI Jo Davidson after she tried to take him off her team.

"He is not very nice at all," he said.

Alison asked: "Gregory, when you go out and about, what are the public like? Do they recognise you? Are they scared of you?"

Ryan Pilkington recently threatened Jo Davidson - and could kill again soon
Ryan Pilkington recently threatened Jo Davidson - and could kill again soon

Gregory replied: "Yeah, so, none of us have gone out much recently but I met a couple of people that we bumped into and they were so lovely, their response to the show was so nice.

"But one lady was saying how I scared her, and I thought, 'Oh, whoops!" But I suppose that is good, you know?"

Told his character had been deemed "the most punchable TV villain since Joffrey in Game of Thrones" and he revealed he was "flattered".

* Line of Duty continues on Sunday at 9pm on BBC One, This Morning airs weekdays on ITV at 10am