Donnie Darko
In Donnie Darko, the character suffers from Schizophrenia.
Perks of Being A Wallflower
In Perks of Being A Wallflower, the main character, Charlie, has signs of Post Traumatic Stress and Anxiety. Play from 0:00 - 2:42.
Inside Out
Although we only see the births of the main character, Riley's, emotions, the character later experiences Depression from moving.