Katherine Boyer Waterston is a British-American actress who has starred in films like Fantastic Beasts and Where to Find Them (2016) and Steve Jobs (2015). The daughter of actor Sam Waterston and model Lynn Louisa Woodruff, she studied acting at NYU's Tisch School of the Arts. Waterston made her film debut in 2007 with roles in Michael Clayton and The Babysitters.
Two young genius twin sisters in training to become powerful Fairies, Fairy twin sisters Leah and Hannah, get into trouble and make many wishes go wrong, turning everything into a crazy adventure as they try to help their best human friend, Chloe Glitterman.