The 20-minute scene was shot in one long take with a single camera focused on the two men. 'We did five takes, and that was it,' Fassbender says. 'I knew then that it was going to be something special. Steve has never worked with actors before, and he speaks very unconventionally, yet directly on the money. To have an artist who must see things so clearly in his own head, but who also has the communication skills to bring everybody else in line with his vision - that's pretty impressive. When he talks to you, it's clear as day. For me, it's great to have at least one film where I can say, "I did that, I was part of that." I've achieved something now.'