Kate Siegel is an American actress. She’s also a screenwriter. She made her acting debut in the 2007 direct-to-video film The Curse of the Black Dahlia. That same year, she also appeared in the movie Steam. At the beginning of the 2010s, she mostly made guest roles on various shows, including Numbers, Castle, and Mob City. She later had roles in the films Man Camp and Oculus. In 2016, she became widely known for starring, as well as co-writing the slasher feature Hush. She next starred as Jenny Browning in Ouija: Origin of Evil and played Sally in Gerald’s Game. This year, she plays Theodora on the Netflix series The Haunting of Hill House.