HomePeople Biography and filmographyDavid Appelbaum Biography unavailable on TMDB. Movies (0)TV shows (5) Movies (0) No credits available. TV shows (5) La Brea2021 · Writer, Executive Producer, Creator The Enemy Within2019 · Writer Wisdom of the Crowd2017 · Writer NCIS: New Orleans2014 · Writer, Producer, Supervising Producer El mentalista2008 · Writer, Co-Producer, Story Editor, Executive Story Editor