Action Jackson is a 1988 action film directed by Craig R. Baxley and starring Carl Weathers, Vanity, Craig T. Nelson, and Sharon Stone.
Detroit Police Detective and Sergeant Jericho Jackson, known as "Action Jackson", was a Lieutenant in the police force but demoted because of a case he headed involving the son of businessman Peter Delleplane. After his demotion, "Action Jackson" begins investigating murders of Union members for "Delleplane," the company of Jackson's nemesis Peter Delleplane. Delleplane, it is discovered, is murdering his way to power, hiring assassins to kill unfriendly Union members.Jackson has the help of a mistress of Peter Delleplane, a singer named Sydney Ash, who is a heroin addict. Jackson is framed for murdering Peter Delleplane's wife and finds himself on the run from the police. He receives help from an informant and finds a way to get to Delleplane. The showdown leads to Jackson and Delleplane at the latter's mansion at the party of a Union
Source: http://en.wikipedia.org/wiki/Action Jackson