Jackson also found out in a similar way when Shyamalan set up a personal screening of “Split” for the actor and told him to “call me when it’s over.” When Jackson saw Willis, he realized that he too would be reprising his role. In 2019, he and Willis reunited in the final movie of Shyamalan’s trilogy, “Glass,” which combined the once seemingly separate worlds of “Unbreakable” and “Split.”