Glass is a superhero thriller film directed by M. Night Shyamalan. Sarah Paulson plays the role of Dr. Ellie Staple, a psychiatrist who specializes in treating individuals who believe they are superheroes. The film is a crossover and sequel to Shyamalan's previous films Unbreakable and Split. In Glass, Dr. Staple tries to convince the main characters, David Dunn (played by Bruce Willis), Kevin Wendell Crumb (played by James McAvoy), and Elijah Price (played by Samuel L. Jackson), that their superhuman abilities are merely delusions. Sarah Paulson's performance in Glass adds a layer of intrigue and suspense to the film.