M. Night Shyamalan's Glass: 7 Plot Predictions

4. Casey Cooke Dies, Or Is Written Out, Early On

Split Anya Taylor Joy
Universal Pictures

Though Anya Taylor-Joy's Casey Cooke was one of Split's lead characters, at the end of the day, that film was Kevin's story.

We spend most of our time with him - the film even follows him on his psychiatrist appointments - and the final scene features him talking with his personalities, mentioning that The Beast is going to show the world "how powerful he can be."

Glass will bring Samuel L. Jackson's Elijah and Bruce Willis' David into the mix, creating a powerful, engaging trio of characters around which the film will revolve.

So... how exactly does Casey fit into all this?

If our earlier predictions are correct the film will detail the struggle between David, and Elijah and Kevin. How does Casey even get involved in that? Why would she even want to, considering the traumatic experience she endured during Split?

Yes, she despises her abusive uncle, but it's hard to imagine a teenage girl chasing down Kevin or Elijah (and remember, Elijah would have no qualms about hurting or killing her, and perhaps the same can be said of Kevin's other personalities, besides The Beast) and being able to stop them.

Casey simply feels like connective tissue, a way to more easily bridge the gap between Split and Unbreakable. We don't think she'll have much to do in this film at all, and even if she doesn't die early on, she won't have a big part to play in the film's central conflict.

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Danny has been with WhatCulture for over ten years, and is currently Doctor Who Editor and WhoCulture Channel Manager, overseeing all of WhatCulture's Whoniverse coverage. In 2022, he took charge of WhoCulture and has grown it into the biggest Doctor Who channel on YouTube, and one of the biggest Doctor Who communities on the web full-stop. He has been writing and video editing since his early teens, and first got a taste for content creation after making his own Doctor Who trailers, off the back of a burning obsession with the Matt Smith era of the show. Like many his age, he first got into Doctor Who with the 2005 revival, but has since gone back and fallen in love with the classic years too. If you need someone to recite every Doctor Who episode in order, or to give you a random factoid about the making of Gridlock, Danny is the person to ask!