I've never done a film before where every single person in the audience knows the ending. I mean suspense, twists are almost impossible these days. People are blogging your endings from their cinema seats.

It's not so much what you learn about Mumbai, it's what you learn about yourself, really. It's a funny old hippie thing, but it's true as well. You find out a lot about yourself and your tolerance, and about your inclusiveness.

I made this film 'The Beach,' which didn't take place in a city, and it didn't really suit me.

I learned with 'The Beach' that I'm a bit better lower down the radar.

Everybody knows Aaron Sorkin's scripts. There's a huge amount of lines. There's a huge amount of interchange. You gotta do a lot of learning to be able to get it up to pace.

Actors are steeped in a world of agents and where the next job is coming from and what are their expenses and what is the hotel like. You want to take them out of that world and dump them into another world, so that when you meet them on the screen they don't seem like the guy who was in two others movies that year.

Celluloid will be the next decade's black and white.