If you only do issue-based drama, you can become a boring wanker.

My parents came to see me in a play at Eton when I was 16. And then, when I said I wanted to try for drama school, they knew there was enough passion there for them to be brave and back me.

Acting can be a narrow and isolated experience, because you only examine your particular part.

If you pick up an eighteenth-century play, at the top it says 'The Argument,' and then you have a list of characters, and then you have the play. I was just always struck by that - that, of course, good drama is about conflict.

When I was at drama school, I remember going to Amsterdam for new year and sitting with friends on the front of a P&O ferry in the wind, having some sort of 'Titanic' moment, declaring ourselves to be the new kings of theatre.

There are ways of avoiding becoming tabloid fodder and therefore giving people license to pry into your private life. And there's a distinction between being an actor and being a celebrity. You may become a celebrity through acting, but you don't need to do so.