I think it's doubly important, now that we see so many people failing. When the norm is an anti-hero, there's a serious loss when you cannot portray a decent person on screen without it becoming slightly sentimental or feeling like it's unrealistic.

I started hitching about the country when I was 16 or 17 years old. I found the music that was played around the country - Irish music - had a particular resonance.

I'm aware now over the last 5 or 10 years that when you do an accent, you really have to kind of get down to the nitty gritty and go into the phonetics of it, if necessary. Find out not just the sounds but the rhythms and the music - or lack thereof - in a particular accent.

I think it's doubly important, now that we see so many people failing. When the norm is an anti-hero, there's a serious loss when you cannot portray a decent person on screen without it becoming slightly sentimental or feeling like it's unrealistic.

My grandfather played a mandolin, so I got my hands on that. Then on down to a banjo, and I found I couldn't play any kind of soft or mournful music with that so I took up the fiddle in my late 20s or early 30s - and that was far too late. But it keeps me off the streets. It has been a love of mine since I was 17 maybe.

I don't want people poking around in my private stuff. They've no business in it. My work is what I give to people, that's my job, and that's where it stops.

I think every character actor at some stage likes to carry a film. It can be extremely liberating to just come in for a scene or two and do your thing. But I find it frustrating if I'm just doing little bits here and there for too long.