Dirty John Based on the true-crime podcast of the same name, Dirty John dives into its first season with the story of John Meehan (Eric Bana), a real con artist who preyed on Debra Newell (Connie Britton) and her family. John posed as a charming doctor until Newell's daughter sensed something was wrong with her mother's beau. Watch Dirty John on Netflix. Image Source: Everett Collection