Trevor ran over and killed a boy (identical to Nicholas) after taking his eyes off the road to use the car's cigarette lighter, which was witnessed by the boy's mother (identical to Maria). Trevor fled the scene in his car, and the resulting guilt became the root of his insomnia, emaciation and repressed memories. Ivan was a figment of Trevor's imagination and a manifestation of himself before the accident. He fills the missing letters on the hangman note, spelling out "killer". He briefly considers going to the airport to escape, but instead drives to police headquarters. He is accompanied by a silent but encouraging Ivan, who bids him an approving farewell outside the station as he enters and confesses to the hit-and-run. Two police officers escort Trevor to a cell, where after stating that he only wants to sleep, he does, for the first time in a year. Cast Christian Bale as Trevor Reznik Jennifer Jason Leigh as Stevie John Sharian as Ivan Aitana Sánchez-Gijón as Maria Michael Ironside as Miller Lawrence Gilliard Jr. as Jackson (as Larry Gilliard) Reg E. Cathey as Jones Anna Massey as Mrs. Shrike Matthew Romero as Nicholas Robert Long as Supervisor Furman Colin Stinton as Inspector Rogers Craig Stevenson as Tucker Production Despite its setting in California, the film was shot in its entirety in and around Barcelona, Spain. It was produced by the Fantastic Factory label of Filmax and Castelao Productions. Christian Bale strenuously dieted for over four months prior to filming, as his character needed to look drastically thin. According to a biography of Bale written by his former assistant, this daily diet consisted of "water, an apple and one cup of coffee per day, with the occasional whiskey" (approximately 55–260 calories). According to the DVD commentary, he lost , reducing his body weight to . Bale wanted to continue down to , but the filmmakers would not allow it due to health concerns. In fact, the target weight to which the 6 ft (183 cm) Bale dropped was intended for a much shorter actor, but Bale insisted on seeing if he could make it anyway. At the end of filming he was left with just six weeks to regain enough mass to be ready for the screen test for his role in Batman Begins, which he achieved through weightlifting and binging on pizzas and ice cream. Brad Anderson hurt his back