I have quite a rich inner life, and I'm constantly looking for a way to express that. I haven't found it yet in acting. When you're playing a character, you're only going to find outlets for very specific parts of your inner world.
Some people think I am gay, which I think is awesome.
Though I am not religious in the least, I am very proud to be Jewish.
Personally, I prefer the dark side.
I think I have just always had an awareness that when you go to a premiere and people start cheering and shouting your name and stuff, they are shouting at a perception of you that they have.
People tell me I look mournful. They say, 'Cheer up, Dan, it's not that bad!' Sometimes I just look into space, which freaks people out. If I was ever required to do anything other than look haunted, I could. I'm a happy person.
As much as I would love to be a person that goes to parties and has a couple of drinks and has a nice time, that doesn't work for me. I'd just rather sit at home and read, or go out to dinner with someone, or talk to someone I love, or talk to somebody that makes me laugh.
People who have car collections - I never understood that. I always thought that was unnecessary. It's not beautiful, it's not creative. It's just showing how much money you've got.
I basically have the diet of a 19th-century Irish navy, apart from the litre of stout a day. It's meat and potatoes and bread and cheese: those are my four food groups.
My idea of relaxation is not lying down by a beach. I have to move around, do stuff. Though I'm a massive quiz show person.
I just have this fear that I'll get on stage and there'll be that brief moment of adrenalin and I'll forget my line.
I'm an atheist, but I'm very relaxed about it. I don't preach my atheism, but I have a huge amount of respect for people like Richard Dawkins who do.
I like science and I love gym. Oh, and I like art, but I'm really bad at it. I'm just a terrible drawer. I can't draw a circle. Even with a ruler, I can't draw a straight line.
I like the idea of being a youngish parent. So I've got energy to play football even though they'll be better than me by the time they're four.
When you're seventeen to early twenties, that's the time you're trying to work out who you are. If you're trying to make some kind of artistic or creative impact, that's the age when you start to figure out how to do that.
I think one of my favorite things to do is just lock myself up in a small room and listen to music and watch films for a day. Also I just like seeing my friends. We have pizza parties which means I get four friends round, we eat a pizza and we're really lazy and we play PlayStation.
Every job I do, I like to think it makes me better or I learn things. It's all about how much something's going to stretch me or test me.
Fans are really important for me. And if they take pains to write me, it's the minimum that I answer myself.
As far as I can tell, most actors' main motivation is self-doubt and neuroses.
When you're in the position I'm in, you have two options: you can either shut yourself off from everybody, from the world, and not live a full life. Or you welcome everybody into your life and occasionally somebody will try to take advantage. And I'd much rather be that person who lets people in.
I wasn't the most popular kid in school.
I'm getting better now, but I used to be incredibly awkward with girls. I think any guy who says 'I've never had an awkward moment with a girl' is a liar.
I have a very busy personality.
I'm not much of a cake person.
There's no shame in enjoying a quiet life. And that's been the realization of the past few years for me.
I'm a serial monogamist. I'm not one of those people that can date loads of people at the same time, it's all too complicated.
If I can make a career for myself after Potter, and it goes well, and is varied and with longevity, then that puts to bed the 'child actors argument'.
I see myself doing Harry Potter films as long as I'm enjoying it and as long as they are going to challenge me as an actor. I want to be an actor - it's my aspiration - so I want to do other films. I want to write something and I want to direct something!
Don't try too hard to be something you're not.
Poetry is something I love to do. Good poetry has an amazing ability to be communicative before it's even understood. I get emotional just from the beauty of words.
I've not got a girlfriend at the moment. Somebody said, 'Do you worry girls are just giving you attention because of who you are?' I was like, 'I'm 17, it's wonderful.'
It's mainly about working hard and proving to people you're serious about it, and stretching yourself and learning. The mistake a lot of actors make, particularly young ones, is allowing themselves to feel that they're the finished articles, the bee's knees, and it's not true.
There were a few years there when I was just so enamored with the idea of living some sort of famous person's lifestyle that really isn't suited to me.
My friends have always called me 'Mr. Thorough,' in that when I get into something, I become obsessed with it.
Franchises aren't to be avoided. They can be exciting, and they give you opportunities to do other films.
I definitely want to have kids. I've grown up around lots of people who were having kids when I knew them, because a lot of them were a lot older than me. And I saw the wonderful change in them.