The video shows 'Psycho' boss Harken berating his employee Nick Hendricks, played by Jason Bateman, about his dead "Gam Gam" and not being able to trust him with a promotion.
Horrible Bosses sees Bateman, Charlie Day and Jason Sudeikis star as three disgruntled friends who conspire to murder their intolerable bosses - Jennifer Aniston, Colin Farrell and Spacey.
Watch Digital Spy's exclusive Horrible Bosses trailer below:
Horrible Bosses is in cinemas Friday, July 22. Follow @horribleboss or visit facebook.com/HorribleBossesUK for more information.
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> Jennifer Aniston, Colin Farrell in exclusive Horrible Bosses posters
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> Jennifer Aniston: I'm not topless in Horrible Bosses
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