The Terror Inside (1996)
Character Name: Sean
Originally entitled “Shattered Mind,” the movie follows the life of a woman (Heather Locklear), and her husband (Brett Cullen) as their lives are turned inside out when she starts acting erractically.
Her behavior leads her husband to seek professional help for her and they discover she has multiple personalities.
The story follows their attempt to manage their lives and their children within the world she lives.