The film will be a follow-up/sequel to "Split" and "Unbreakable". The latter starred Bruce Willis and Samuel L. Jackson.
Shyamalan took to Twitter to announce the news, saying, "Incredibly fortunate to round out our iconic cast of actors on #Glass. @MsSarahPaulson will be joining us."
Besides starring in "American Horror Story", Paulson starred in "The People v. O. J. Simpson: American Crime Story". She will also be in the upcoming film "Ocean's Eight", starring alongside Sandra Bullock, Cate Blanchett, Anne Hathaway, Mindy Kaling, Awkwafina, Helena Bonham Carter, and Rihanna.
