I think I tried to steal a Mars bar once from a shop but then I went and put it back.

I think it speaks to the fact that other people are as excited about originality as we are. I think the thing that has been wonderfully communicated in the trailers and all the promotion for the movie [Swiss Army Man] is that it isn't like anything else you've ever seen, and we're not just saying that. I think that excites people.

I've always thought that as long as directors and casting directors don't see me as just Harry Potter, I'll be OK. People have shown a lot of faith in me, and I owe them a huge debt. They're letting me prove that I'm serious about this.

My favorite phrase, that a friend of mine who worked on the Potter films and was a lot older than me would use in front of me, and I picked up from him many great phrases - the English have a lot of great idioms for sweating. I don't know why that is. But that's what we do. I feel like it's particularly our country; probably everywhere has a lot of idioms for sweating. He always said, "I'm sweating like a glassblower's asshole," which I always found an incredibly strange and yet vivid image.

The one piece of advice I would give to any actor is, if you want to go out on the street without being recognised, without even being looked at, go out with a 6ft 8in beautiful transsexual. No one gives you a second glance. Especially when you're 5ft 5in.

Go boldly and honestly through the world. Learn to love the fact that there is nobody else quite like you.

Normally I sit there in the films really hating watching myself. Loving watching the films, hating watching myself.