Watch the full interview: https://youtu.be/bFcsh7RLtOg David Dastmalchian was just a few years sober from a drug addiction that left him camping out in his car on the streets of Chicago. It was just a few blocks from that alley that he shot his scenes for Christopher Nolan's The Dark Knight, which catapulted his career to a whole other level. Dastmalchian remembers his time working with Heath Ledger as The Joker on set and how his experiences inspired him to write the 2014 film Animals.