In this series of Heath Ledger interviews, made up of every Heath Ledger Joker interview and rare behind the scenes account I could find, audio and visual, Heath Ledger explains how he prepared to play The Joker in the Christopher Nolan directed The Dark Knight (2008), what inspired his take on The Joker and his iconic Joker voice, and what it was like for the actor to play the iconic Batman villain. The Dark Knight is a 2008 Batman film directed by Christopher Nolan. Based on the DC Comics characters, this second entry in Christopher Nolan’s The Dark Knight trilogy stars Christian Bale as Bruce Wayne and Batman, Heath ledger as The Joker, and features Aaron Eckhart, Sir Michael Caine, Gary Oldman, Maggie Gyllenhaal, and Morgan Freeman.