He portrays the slow erosion of a "good man." As he stoops to the killer’s level, you begin to wonder: who is the real devil? The Cinematography of Horror
Fresh off his success in Oldboy , Choi plays a villain with absolutely no redeeming qualities. He isn't a "cool" villain; he is a pathetic, chaotic, and terrifying force of nature.
In the world of gritty thrillers, I Saw the Devil stands alone. It doesn't offer the easy satisfaction of a typical action movie. It asks a difficult question: When you fight a monster, how do you make sure you don't become one?
