Whether he’s chatting to his son like a long-lost friend, brooding in his cell or looming menacingly over a victim, there’s one word that springs to mind when it comes to Happy Valley ’s Tommy Lee Royce – sinister.
Tomorrow he will likely plumb new depths as he aims to make Sgt Catherine Cawood pay in the drama’s finale.
And the gripping performance from James Norton is due, in part, to a man who was able to describe to him what a real killer is like in the flesh.
