The Crowded Room

In 1991, James Cameron got the rights to the novel, The Minds of Billy Milligan. In 1994, Keyes published a sequel novel called The Milligan Wars, stating that he published the novel for a film adaptation, entitled The Crowded Room, which would be developed by Warner Bros. and with Cameron attached to direct, after buying the rights of the novel to Sandy Arcara. John Cusack was attached to play Billy Milligan and Cameron and Graff wrote and screenplay. However, Cameron left the project for unknown reasons. As of December 2006, veteran film director Joel Schumacher was attached to direct the film.

Why It Was Cancelled

 * Cameron left for unknown reasons.
 * Keyes passed away in 2014.