Kate Siegel (born August 9, 1982) is an American actress and screenwriter. She is known for her collaborations with her husband Mike Flanagan, appearing in the acclaimed horror films Oculus (2013), Hush (2016), which she also co-wrote, Ouija: Origin of Evil (2016), and Gerald's Game (2017). Siegel also starred as Theodora Crain in the Netflix supernatural horror series The Haunting of Hill House (2018).
Siegel made her acting debut in the film The Curse of The Black Dahila, which was released on January 23, 2007. That same year she went on to star in Hacia La Oscuridad which had its world premiere at the Tribeca Film Festival on April 28, 2007. She also appeared in Steam alongside Ruby Dee and Chelsea Handler. In 2008, Siegel appeared in the short film Knocked Down which was directed by Ted Collins. In 2009, she made her television debut in Ghost Whisperer as Cheryl. In 2010, she appeared in Numb3rs as Rachel Hollander. She then appeared in an episode of Castle. That same year she app