The Haunting of Hill House star Kate Siegel just welcomed a new baby into the world.

Flanagan is married to Kate Siegel, best known to Hill House fans as Theodora Crain.

The Haunting of Hill House actress stoked the flames of rumors that she would be returning for the second season of the popular Netflix horror anthology, titled Bly Manor, after she took to Twitter to tease a big announcement on Thursday, Aug. 22.

In a Twitter post, the writer/director shared the news that his wife Kate Siegel, an actress who has starred in most of his projects including Hill House, gave birth to a baby girl today. Now, she’s hitting the small screen in The Haunting of Hill House on Netflix. 'The Haunting Of Hill House' cast member Kate Siegel has been confirmed to be rejoining the series for its second season according to creator Mike Flanagan.

Kate Siegel and Levy Tran post-coital scene from The Haunting of Hill House • From The Haunting of Hill House • Season 1, Episode 1 • 00:24:47 • 27 views • 0 thumbs up • … The baby is fittingly named after Siegel's character, Theo. Kate Siegel has become a horror movie staple, starring in films like Hush and Ouija: Origin of Evil. “The Haunting of Hill House” star Kate Siegel is returning for “The Haunting of Bly Manor,” TheWrap has learned exclusively.