M. Night Shyamalan's 'Glass': Rough Trailer Of 'Unbreakable,' 'Split' Sequel Showcased At CinemaCon A superhero story that began 18 years ago. M. Night Shyamalan unveils 'Glass,' the third in the director's series of related horror-slash-superhero flicks starring Bruce Willis, Samuel L. Jackson, James McAvoy, and Sarah Paulson.