Deep down, all directors feel like frauds - because it's built into the nature of the job. You're the jack of all trades and the master of none. The cameraman knows the camera, the sound man knows the sound equipment - and you? You can't do anything: You can't do the acting, you can't dress the set, you don't record the sound or shoot the images.

With the dramatic canvas, I found you could still operate with the documentarist's observational eye.

I spent my 20s making film after film, often in very adverse conditions. You'd fly back from somewhere - Beirut, the Falklands, South Africa - on Saturday, and you'd have 24 hours to cut your film, and it would go out on Monday night.

Paul Greengrass Quotes