"I'd just done Tree of Life and it had just come into the movie theatre and immediately I was getting typecast as the perfect mother, the perfect devoted wife and it was like the stubborn person in me was like, 'You cannot put me in a box! You cannot typecast me! I'm gonna play a guitarist in a punk band who's selfish and doesn't like kids!'" Jessica Chastain was determined to step outside the box for new horror movie Mama.