"It was a very, very special shoot. It's really hard to completely encapsulate the experience, because it's not often you get invited to contemplate death for three months and really go there," he says.
"So I knew that there was something there, the kind of kernel of something very special, and it wasn't just the fact that it was a film about someone dying, approaching death, there was equally something uplifting about the love story between this father and son.
"We had a really, really genuine affection for one another, so as I say when it works, it's the best thing in the world and I think it was probably the most special experience I've ever had on a film set as a result." 041b061a72