The Machinist is a psychological thriller film released in 2004, directed by Brad Anderson. Christian Bale delivers a haunting performance as Trevor Reznik, an industrial worker suffering from severe insomnia. Bale's dedication to the role is evident in his extreme physical transformation, as he lost a significant amount of weight to portray the emaciated character. The film explores themes of guilt, paranoia, and the nature of reality. With its atmospheric cinematography and Bale's mesmerizing performance, The Machinist is a gripping and unsettling film that showcases the actor's commitment to his craft.