I grew up watching 'Superman.' As a child, when I first learned to dive into a swimming pool, I wasn't diving, I was flying, like Superman. I used to dream of rescuing a girl I had a crush on from a playground bully.

Having seen what I've seen in South Sudan, there's no way I can't talk about it.

I think we all see ourselves as the heroes in our own lives.

The book [Night manager] is amazing. It is amazing to act in any book adaptation, because a book gives you so many secrets and details that don't necessarily get shot in an adaptation. They give you a cushion underneath everything. The detail in the character, the detail in the tone.

For the first 10 minutes after you meet them, they have the wattage and charisma of movie stars. Then you have a coffee with them and you realize we're all the same, we're all just people. All of the actors in The Avengers are so nice. Marvel has these code names for projects and the code name for The Avengers was Group Hug. It felt very much like a group hug on set.

I think, actually, that it's a really fascinating time in history because the development of modern technology and the photographs the satellites were taking from space were mapping the earth in a new way, making us feel like the globe we inhabit is much smaller than previously conceived of, in the human mind.

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.