The Machinist is a 2004 psychological thriller film directed by Brad Anderson. Christian Bale plays Trevor Reznik, an industrial worker suffering from severe insomnia and psychological distress. Bale's performance in this film is nothing short of astonishing, as he underwent an extreme physical transformation to portray the emaciated and sleep-deprived Reznik. The Machinist is a haunting and atmospheric film that explores themes of guilt, paranoia, and identity. Bale's dedication to his craft is evident in his mesmerizing portrayal of a man on the brink of madness.