When Liam Hemsworth isn't hanging out with his fiancé, former Disney star Miley Cyrus, the Australian hottie is hard at work shooting a number of projects which, includes his latest Paranoia.

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The 22-year-old is currently on location in Philly shooting with costar Lucas Till. The movie is about a boss who blackmails one of his employees to spy on a rival company.

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Harrison Ford, Amber Heard, Gary Oldman and Josh Holloway also star in the film which opens September 23, 2013.