As an artist, you have a path that you're on that evolves with the kinds of stories you want to tell.

There's no blueprint for where I should be. I see myself as a young, good actor who still has a lot to learn. There's nobody at any point in their career who is the finished article.

No. I am not a royalist. Not at all. I am definitely a republican in the British sense of the word. I just don't see the use of the monarchy though I'm fierce patriot. I'm proud proud proud of being English, but I think the monarchy symbolizes a lot of what was wrong with the country.

Being in Harry Potter is like being in the Mafia. Once you are in, you are never really out.

My parents are left-wing, and I would describe myself as that. But also, you know what? I wouldn't describe myself as that. Because I don't have to. Because I'm not a political party. Most people are a little bit of each, and we change our mind on various issues.

Mostly, I'm drawn to great characters and great worlds that use weird things for their language - whether it's dance, whether it's pop music with Justin Bieber, or whether it's magic.

I know it wouldn't seem like I've had a lot of failure in my career, but there are things that I regard as failures, when I look at certain performances and go, 'That's not good enough.'