Dr. Cawley
Dr. Cawley represents the theme of treating mental illness. He, like Dr. Sheehan, want to help Laeddis. They are willing to let him play out his fantasy just to see if that will cure them. He has been helping him for two years. In the ending scene, it is easy to see that it makes Dr. Cawley upset that Laeddis does not want to accept reality. He does not seem to understand that Laeddis’s only way of coping, is to not be in reality.