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 suspenseful film that keeps viewers on the edge of their seats, with Bale's performance being a standout element. It is a testament to Bale's commitment to his roles and his ability to fully immerse himself in complex characters.