Cillian Murphy: He’s a great man! He’s a fairly exhausting character to play! He’s so relentlessly ambitious and I don’t think he actually sleeps at all. And he’s so sure of himself, certainly to the people he meets and encounters, so it requires a lot of concentration. And he’s also fearless - which I’m not! He’s very, very physically capable. It’s a very big journey to go to from me to him. But it’s a character I really enjoy.