Several tricks were used to create the right sound effects for some of the gorier scenes. Biting into sausages was used to replicate biting into skin and flesh, and drinking yogurt was used to sound like drinking blood. The sound of the children blinking was made by the skin of a grape rubbing against each other in an almost ‘blinking’ motion.
I am terrified a great deal of the time. Afraid of what I’ve done, of what I’m doing, and of what I might have to do. It’s not a crippling fear. In fact, it’s just the opposite. I thrive on it. I crave it. I need that rush of terror to get me out of bed in the morning. It’s in my DNA.
"She’s amazing. She is twelve and she’s got this thick Irish accent, then she comes out and she’s got this pitch perfect 1940’s British accent. I think what’s incredible with Saoirse is that’s not taught. That’s not taught. So where does that talent come from? It’s just… it is extraordinary. People keep on saying ‘What advice are you giving her?’ I would never dream of giving Saoirse Ronan advice. I’ll take advice from her, but I certainly won’t give it."