You sort of can't talk about the post production unless you talk about what comes first.
Paul GreengrassThere's a film you write, there's a film you shoot, and there's a film that you cut - and they're all different.
Paul GreengrassYou're trying to create a screenplay and your screenplay is there to give you a structure, rigidity, situational awareness, who the characters are, what do they want, what's the shape of the thing.
Paul Greengrass