GLASS Director M. Night Shyamalan Shares His Take On The UNBREAKABLE Sequel's Controversial Ending When it was confirmed that Glass would serve as a sequel to Unbreakable, fans were overjoyed. However, David Dunn being drowned in a puddle wasn't as well-received, and M. Night Shyamalan now weighs in... JoshWilding | 1/25/2021 The surprise reveal that Glass would be a sequel to Unbreakable blew fans away, and gave them something they'd been waiting to see become a reality for years. While the movie was mostly well-received, director M. Night Shyamalan's decision to drown Bruce Willis' David Dunn generated quite a bit of controversy online as many argued that wasn't a fitting ending for the hero.Â