The 37-year-old actor stars as infamous villain Tommy Lee Royce within the BBC One drama, which is presently airing its third and last collection.
Talking to The One Present on Wednesday, Norton shared the story behind a scene which reveals Tommy receiving a haircut whereas in jail, as his lengthy and unruly hair is remodeled right into a sleeker and tidier fashion.
Norton first revealed the barber within the scene was an expert barber, not an actor, saying: “He’s referred to as Gaz, from Minimize Throat Barbers in Manchester, I feel.
“He was wonderful.”
He added: “What was wonderful about that scene is that we mainly let the cameras roll, and I simply obtained a hair minimize.
“Often you’ve cuts, you already know, minutes or two, three minutes right here and there, however that (the haircut scene) was like a 40-minute shot.
“The cameras simply rolled and everybody was watching the displays and it was weirdly meditative.
“The music was enjoying, Gaz was doing his factor, and I used to be getting lulled into a stunning state. It was a very weird however form of magical day.”
The collection, which returned on New 12 months’s Day after seven years off screens, is written by Sally Wainwright and stars Sarah Lancashire as its protagonist Sergeant Catherine Cawood.
Regardless of enjoying the villain, Norton additionally informed presenters Alex Jones and Jermaine Jenas that portraying Tommy is “actually enjoyable” and “extremely empowering”.
When requested by Jenas, 39, what it’s prefer to get into the thoughts of such a troubled character, Norton replied: “I imply, I form of find it irresistible.
“For a very long time I felt like I ought to say how form of troubling… And the way a lot it price me to play.
“However the fact is, it’s actually enjoyable. Clearly the actually despicable stuff and the violence is difficult.
“However the feeling of wandering round in that boiler go well with and other people supplying you with a large berth, that doesn’t occur to me in actual life, you’d be stunned to listen to.
“So it’s extremely empowering and I form of find it irresistible.”
The One Present airs each weekday on BBC One at 7pm.