In the horror genre, unfortunately you sometimes have the studio tell you, "No, go with more unknown people because it's a scary movie," and I disagree.
Alexandre AjaCasting is so important in horror. It's so important to have strong actors to tell a story because, if you don't believe in the character, how can you be scared for them?
Alexandre AjaYou have to be realistic in the use of blood in the movies. There is a little bit more than a gallon in a human being. If you have a few thousand people, that makes a lot of blood. I'm very realistic in my use of blood.
Alexandre Aja