Jessica Chastain's terror research

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For a decade, an elite team of intelligence and military operatives, working in secret across the globe, devoted themselves to a single goal: find and eliminate Osama bin Laden. Reuniting the Oscar winning duo of director-producer Kathryn Bigelow and writer-producer Mark Boal, this historical action thriller provides viewers with a real and suspenseful look inside history's biggest manhunt for the world's most dangerous man. Starring Jessica Chastain, Chris Pratt, Joel Edgerton & Mark Strong.
December 1st, 2012

Jessica Chastain researched Osama bin Laden extensively for new role.

The actress read ''book upon book'' to prepare for her role in controversial new film 'Zero Dark Thirty', Oscar-winning director Kathryn Bigelow's movie about the covert operation to kill the al-Quaeda founder.

The actress plays CIA agent Jen, who had a crucial role in tracking bin Laden to a compound in Abottabad, Pakistan, where he was killed on May 2nd, 2011.

Jessica said: ''We did extensive research. Books upon books. I read [Lawrence Wright's] 'The Looming Towers', I read Michael Scheuer's book on Osama bin Laden. I got to know my subject inside out.''

The film has been shrouded in secrecy, with those involved - including the film's stars, director and writer Mark Boal - reluctant to give away too many details. Jessica says this is because of contributions from real people involved in the operation.

She told GQ magazine: ''I did talk to a lot of people but I don't really want to specify to whom I spoke.

''The reason they're trying to keep so much of it a secret is because there are so many people involved - real lives.''