Kate Siegel

Kate Gordon Siegelbaum (born August 9, 1982), known professionally as Kate Siegel , is an American actress and writer. Dubbed a scream queen for her extensive work in the horror genre, Siegel is known for her collaborations with her husband, Mike Flanagan. She has starred in the films Oculus; Hush, which she co-wrote, and Ouija: Origin of Evil (both 2016); Gerald's Game (2017); and The Life of Chuck (2024). On television, she has starred in the series The Haunting of Hill House (2018), The Haunting of Bly Manor (2020), Midnight Mass (2021), and The Fall of the House of Usher (2023).

Early life Siegel was born in 1982 in Silver Spring, Maryland. She graduated from Syracuse University in 2004. That 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 appeared in the drama-thriller Wedding Day.

In 2013, Siegel appeared in Man Camp. The same year, she appeared in Oculus, a horror film written and directed by Flanagan. The film had its world premiere at the Toronto International Film Festival in September 2013, and was released in April 2014. She also appeared in an episode of Mob City. In 2014, she appeared in Demon Legacy.

In November 2015, it was revealed that she and Flanagan would be adapting the young adult novel 13 Days to Midnight into a film.

In 2016, Siegel starred as a deaf-mute woman beset by a killer in the horror-thriller Hush, a film on which she also made her screenwriting debut, co-writing with Flanagan. The film had its world premiere at South by Southwest on March 12, 2016, and was released on Netflix on April 8, 2016. In July 2016, she starred in a commercial for Stelara psoriasis medication. That same year, Siegel appeared in Ouija: Origin of Evil, also directed by Flanagan, which was released on October 21, 2016.

In 2017, Siegel starred alongside Carla Gugino and Bruce Greenwood in the film adaptation of Stephen King's Gerald's Game, which was also directed by Flanagan. The film was released on September 29, 2017, by Netflix.

In 2018, Siegel had a starring role as Theodora Crain in the Netflix supernatural horror series The Haunting of Hill House, based on Shirley Jackson's 1959 novel of the same name. She also narrated the podcast Calling Darkness and has been a voice actor for The NoSleep Podcast.

Siegel portrayed Erin Greene in Netflix's Midnight Mass, which was written and directed by Flanagan, and co-starred her castmate from The Haunting of Hill House Henry Thomas.

In July 2024, she was confirmed to make her directorial debut, as she would direct a segment for V/H/S/Beyond, which was released exclusively on Shudder on October 4, 2024.

Personal life Siegel is of Russian-Jewish, Polish-Jewish, and German-Jewish descent. Siegel said in 2008 she is bisexual and had been in relationships with women before. She married director Mike Flanagan in early 2016. They have two children: a son, Cody, and a daughter, Theodora, named after Siegel's character in The Haunting of Hill House. She is stepmother to Flanagan's eldest son from a previous relationship.

Filmography

Film

Television Year Title RoleNotes 2009 Ghost Whisperer Cheryl Episode: "This Joint's Haunted" 2010 Numbers Rachel Hollander Episode: "And the Winner Is..." 2012 Evey Kyler Episode: "Prime Cut" Castle Nadia Episode: "47 Seconds" Where Would We Be Stephanie Episode: "Pilot" 2013 Mob City Tandy Episode: "Stay Down" 2018 Adult Theodora "Theo" Crain Miniseries; 8 episodes 2020 Hawaii Five-0 Leslie Episode: "I ho'olulu, ho'ohulei 'ia e ka makani" Viola Willoughby / The Lady of the Lake Episodes: "The Romance of Certain Old Clothes" and "The Beast in the Jungle" 2021 Midnight Mass Erin Greene Miniseries; 7 episodes 2022 Annette DeTamble Recurring role; 3 episodes 2023 Camille L'Espanaye Miniseries; 7 episodes 2026 Carrie TBA Upcoming miniseries

Video games Year Title RoleNotes 2025Death Stranding 2: On the BeachOlivia Westbury

Podcasts Siegel has appeared on the horror podcasts Calling Darkness and The NoSleep Podcast.