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.
A cat-loving teenager, Kitty Ryu, and her best friends and classmates who attend a magical boarding school on Cat Powers Island and must protect the island's magic from a dark force and fight the evil witch and cat hunter Zella.