The Hurt Locker military reservation in the Mojave Desert in California. He was taught to use C4 explosives, learned how to render safe improvised explosive devices, and how to wear a bomb suit. Mackie plays Sergeant J. T. Sanborn. Describing the experience of filming in Jordan in the summer, he said, "It was so desperately hot, and we were so easily agitated. But that movie was like doing a play. We really looked out for each other, and it was a great experience. It made me believe in film." Several hundred thousand refugees of Iraq live in Jordan. Bigelow cast refugees who had
The Hurt Locker the Humvee, into a boots-on-the-ground experience." For the main characters, Bigelow made a point of casting relatively unknown actors: "it underscored the tension because with the lack of familiarity also comes a sense of unpredictability." Renner's character, Sergeant First Class William James, is a composite character, with qualities based on individuals whom screenwriter Boal knew when embedded with the bomb squad. Bigelow cast Renner based on his work in "Dahmer", a film about Jeffrey Dahmer, the notorious serial killer whose victims were boys. To prepare for the film, Renner spent a week living and training at Fort Irwin, a U.S.