The thing to remember is that the work comes first, and not to get distracted by anything else. If you keep focused on the work, everything else will fall into place. That's my mantra now.

It's ridiculous, but it's horrible going bald. Anyone who says it isn't is lying.

I am in the public eye, and I accept that my actions may be open to question.

Brain surgery is a fairly aggressive process. There's a lot to get through. There's the beautiful, delicate shaving first, which is really lovely. There's a wonderful ceremony of putting all the covers on, so only the little bit you're operating on is revealed. But once they make the incision and tear the skin back, the drill comes out.

When you suddenly become successful, the change is enormous, both financially and in terms of recognition and the way people treat you. I found that hard to deal with. I got very guilty about it, and I think I put up obstacles to prevent myself enjoying it.

Richard Armitage is very good at the old horse riding because of course he did it in 'Robin Hood,' so he's very good at that.

My best friends are still the ones I first attached myself to when I went to school because, all of a sudden, I was leaving the rather pampered and occasionally very annoying world of having three older sisters to go to a male-dominated world.

No one wanted to own Bloody Sunday.

Belfast is a city which, while not forgetting its past, is living comfortably with its present and looking forward to its future.

Brain surgeons are dealing with the very last thread of life, and they have to be very confident, but I think they tend to remember their failures rather than their successes, and that must be very hard. Who do you share that failure with? That's why their personal lives are often disastrous.

As I told Piers Morgan, 'Catholics have confession, whereas Northern Irish Protestants only have interviews.'

I love nothing more than going to eat by myself with a newspaper.

Supporting drama for young people is close to my heart.

I went to India with UNICEF in connection with Manchester United to raise money for children's education.

I grew up loving women and without misogyny, rancour or prejudice, totally loved and loving. And no matter what has happened since, I don't think I have treated women in my life very badly.

I have three older sisters who, when we were children, used to hold me down on a bad day and put make-up all over me, so I've had an aversion to it all my life and hate sitting down in the make-up chair.

Ours was a very progressive Protestant family, but my parents were God-loving rather than God-fearing. We went to church, and I still go with my mum and dad when I return home - it's a family thing. I played flute in my dad's marching band, but I had an integrated upbringing. We had a lot of Catholic friends.

Drama asks some uncomfortable questions at times... It goes to pretty dark places.

There will only ever be 13 dwarves in 'The Hobbit' - and I was one of them. If I had my time again, would I do it? Yeah, I would.

There's some irony in playing a journalist after some of the stuff that has been written about me, but it's a great profession, particularly investigative journalism.

I don't know a single person who doesn't regret the things that they did to hurt their parents, or the things they didn't say to them.

In my life, I have made the occasional catastrophic choice, and it's just a case of moving on and learning from it.

If I get to the end of my life, and people say, 'He was in 'Cold Feet,' well, I was, and it was great. I thought the fourth series wasn't great. I thought there were weak episodes throughout. Overall, I thought it was a good show, it had an impact, it dealt with a lot of issues, and it was a great part.

Perhaps our imagination needs crime stories to fulfill some craving we have, as a way to assuage a darkness in ourselves.

People love watching medical dramas - they also love watching documentaries about the workings of the brain.

We have to get behind the scientists and push for a dementia breakthrough. It could be that we fear dementia out of a sense of hopelessness, but there is hope, and it rests in the hands of our scientists.

My preference is for good writing. It doesn't matter if it's for film or TV. Whatever. It starts with the writing. Even though I've had problems with writers, it doesn't matter how great of an actor you are. If the writing is bad, you're going to struggle.

It's a complicated relationship with the place one grows up in, particularly if it's Northern Ireland.

When I was growing up, Belfast City Hall was surrounded by security, and we had no access to it. But now, people come in and out of it all the time. On a nice day, office workers and students sit on the lawn outside and have lunch. It's great to see how Northern Ireland has changed. To be part of that is fantastic.

My mother taught me what it is to have a sense of humour; my dad, who was a headmaster, everything you need to know about hard work. My dad is the most decent man you could come across.

My wife would say I'm more Hyde than Jekyll!

Perhaps not being very self-aware in the past masked depression. I think I was confused. I think I was immature. I think I probably was quite depressed.

That thing of briefly losing sight of a child happened to me when the kids were younger, and you can't see them in the supermarket or wherever. It's a terrible, terrible moment... the most unimaginable horror.

What I discovered all over Ireland is that people living simple lives by the sea or in the remote countryside seem a lot calmer than city folk with their iPads and their Android phones.

New Zealand is a place where you can get well.

I've got a history in my life of difficult times.

I feel old and vulnerable. I now realise that I knew nothing and know nothing, but back when my career was beginning, I thought I was a man when, in fact, I was a dewy-eyed boy who'd not seen an avocado or eaten a tomato.

I thought I was God's gift to mankind and the greatest Irishman since George Best.

I never forget that I'm extremely fortunate.

Like the character I played in 'Jekyll', we all have different masks we put on for different occasions. As much as we all want to lead decent lives, we're also attracted by the idea that something dark may lurk within us.

Several years ago, I began losing my hair, and like a lot of men, it was a major concern to me, in fact it was practically an obsession. But, also I'm an actor, so I'm in the public eye a lot and I really felt that my hair loss could affect my career prospects.

I'm not an actor who is often asked to be in period things.

I'm not strong-willed enough or unkind enough... or maybe simply not wise enough to tell a journalist that a subject is out of bounds.

I'd be a very easy therapist's subject.

I've heard some duff Irish accents. The worst must be Mickey Rourke.

Funnily enough, Northern Ireland is a great example of where politics can win over conflict. The decision to down arms and follow a political path would have been unthinkable once. It shows just what is possible.

I was one of the many kids in Northern Ireland who grew up in the countryside and had an idyllic childhood well away from the Troubles.

When I was at drama school, I was totally broke, and a lot of my mates had jobs and were financially very good to me, so if, for example, I take them away on a trip to a football match in Europe, it means that I can pay them back a bit.

I spend my money on holidays and eating out, and it allows me to be generous.

I didn't much like Las Vegas. The noise of the place and the whole 24-hour, 'let's play the slot machines all night' culture of the place just left me cold.