An agent friend of mine who will remain nameless said you can't make a romance about homeless people; nobody wants to see them kiss. And I thought, what a repulsive, repugnant, extraordinary thing to say. I had to think about the fact that the world is probably full of other people who feel like that. The very idea that we spend time trying to humanize humans is extraordinary to me.

I think language is the most important thing that human beings have ever accomplished, and the only thing that's really going to get us all out of the troubles that we find ourselves in.

I feel safe in saying this, and that is that Peter Weir is without a doubt one of the greatest filmmakers of all time. I'd open a door in a movie for him if he asked me to.

In the old days when I first was coming up, you would turn up on set in the morning with your coffee, script, and hangover and you would figure out what you were going to do with the day and how you were going to play the scenes. You would rehearse and then invite the crew in to watch the actors go through the scenes. The actors would go away to makeup and costume and the director and the DP would work out how they were going to cover what the actors had just done.

I find that our response to homelessness really puzzlingly. It's a peculiar response that people have.

Actors can be many things - vain, venal, self-serving, obnoxious, bullies - but all of the good ones are great storytellers. I wanted to watch what my actors were doing and how they were telling the story.

I remember coming on my first set and it being a playground of things I wanted to ask questions about: cameras and lenses and what the lenses do, what's the focus puller doing and how does that work? Why is there less margin for error when there's less light? I was always asking questions and watching directors closely.