The Machinist is a psychological thriller film that showcases Christian Bale's dedication to his craft. In the film, Bale plays Trevor Reznik, an industrial worker suffering from severe insomnia. Bale's physical transformation for the role is remarkable, as he lost a significant amount of weight to portray the emaciated and sleep-deprived character. The Machinist is a haunting and atmospheric film that delves into themes of guilt, paranoia, and the blurred lines between reality and delusion. Bale's performance is mesmerizing, capturing the audience's attention from start to finish.