And as the hour approached for the execution, in his own mind, Collins became both the executioner and the victim. He would pace up and down, transformed in almost a kind of exorcism when he knew he was responsible for taking someone's life.

Hollywood is throwing action movies at me.

I thought, well of course, Kinsey absolutely adored teaching. He was a wonderful teacher. So these kids really inspired me. So that was a clue I hung onto. He loved young people, he absolutely loved them. And he loved teaching them and trying to help them.

Why would anyone ever tell anything personal to a journalist?

There's a ruthlessness to the city now that wasn't there before. I was in Dublin a few months ago, when we were shooting Breakfast on Pluto, and if I saw one kid throwing up on the street, I must have seen a hundred of them.

I was always attracted to the type of cinema hero as an adolescent growing up in Ireland. Robert Mitchum springs to mind. Later on, it was Steve McQueen to a certain extent and Charles Bronson. They're these types of grizzled characters who had one foot on the side of law and order and the other foot in the bad guy's camp.

But I was very, very lucky, and it was a wake up call as far as motorbikes are concerned. I never flirted with death on the bike, but now I'm totally convinced they're death machines.