Filmed in Philadelphia.
Spencer Treat Clark returns as "Joseph Dunn, the son of Bruce Willis’ character."
Charlayne Woodard returns as "Elijah Price’s mother."
M. Night Shyamalan offered a brief update on Twitter, saying: "Finished the 2nd draft of #Glass on Friday. Took five weeks. Started the 3rd pass today… gave myself a three-week deadline for this pass." (5/30/17)
Producer Jason Blum spoke briefly about the film, detailing what the estimated budget will be and when production will likely begin: "The budget is more traditional, still by Hollywood standards a very low budget, but it is not $5 million." Adding.. "We have a release date in January of 2019, so we have to start shooting pretty soon." (5/11/17)
Anya Taylor-Joy (Split) returns as "Casey Cooke."
James McAvoy (Split) returns as "The Horde."
Bruce Willis (Unbreakable) returns as "David Dunn."
Samuel L. Jackson (Unbreakable) returns as "Mr. Glass."
It's said that Shyamalan initially wanted The Horde character to show up as another antagonist in Unbreakable, but he eventually decided to remove the character all together, but kept the concept behind the character in mind. The character would later be introduced in 2017's Split.
This is the sequel to 2000's Unbreakable and 2017's Split with M. Night Shyamalan back to write and direct.