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 the movies Unbreakable and Split, and follows the story of David Dunn (played by Bruce Willis), Kevin Wendell Crumb (played by James McAvoy), and Elijah Price (played by Samuel L. Jackson). Sarah Paulson's performance as Dr. Ellie Staple adds an intriguing layer to the film, as she challenges the beliefs and identities of the main characters.