I was shooting all this time. And there was only one guy who helped to pull him. And I had to think whether I was going to keep shooting or help the guy. And so I kept shooting and then they put him in this little clinic, and I photographed through the window while they had to amputate his leg. And I felt very strange because I didn't - I felt I could have helped, but I didn't help. But then I also felt elated that I was getting a shot that would be important to the film.

I think that it gave me a really strong feeling of my life force and a confidence in myself. I felt like I was a man. Before that point for some reason, I always felt I was a boy (laughter). In fact, they called me the baby on the ship 'cause I was the youngest guy on the ship. But I always felt that way.

When you hear the word tear gas you think, well, your eyes will burn and that's it. But that whole feeling of your whole skin burning, that you can't breathe, you can't inhale, you feel suffocated - it's a very, very terrifying experience.

My mother let me know that we're all connected. If some of us become more affluent it's not because we're better or even smarter people - we have a responsibility to ourselves to be a good boy.

Not one Wall Street executive has been charged with crimes since the 2008 financial crash.

I'd say to anyone trying to break into the business: Don't just be interested in movies. Be interested in life. Be a person. Be in touch.

If you're making commercials which sell products which are unhealthy or which are unnecessary, I think that you are part of a system.