The purpose of a film's opening sequence is to excite and engage the audience so they want to continue watching. It does this in several ways. It can introduce important characters to viewers and establish the genre or tone. For example, the opening of "The Dark Knight" introduces the Joker as a threatening villain. The opening of "Casino Royale" sets up the action-thriller genre through an intense chase scene. Openings also excite audiences through suspenseful elements that vary by genre, like the unsettling score and atmosphere in "The Sixth Sense." The opening of "Skyfall" reinforces James Bond's character and the action-thriller genre through its cinematography, sound, and editing,