There is so much poverty and desperation in South Sudan, and yet each side is militarily equipped.

Tony Stark in 'Iron Man' helped wider audiences finally embrace the enormous talent of Robert Downey Jr.

If you play it straight it's funny - the best comedy is always played straight down the middle. The adjustment is understanding from the screenplay that a moment is hilarious.

The weird thing about serious acting is I've always done impressions of people, all my life, and I did the thing called a balloon debate. The idea is there's a hot air balloon traveling across the Atlantic and it's going down and you have to give a speech as to why you should stay in the balloon. Six people are going to be chucked out and you want to stay.

I am so profoundly aware of my lack of skill to make any material difference. I am not a doctor. I can't influence foreign policy. I can't build schools. I can't chemically engineer the protein paste that helps people with acute malnutrition. But I can talk about it, and so can you.

I try not to make plans. God always laughs at your plans.

What le Carré is so good at is unpicking something very specific about Englishness. That is almost part of why I think he wrote the novel. You can feel le Carré's anger that someone who has had the benefits of an English education and an English upbringing is using that privilege to basically do the worst things imaginable. There is an anger in the book about that.