"The Insider" is a 1999 drama film about a tobacco company whistleblower seeking to do right no matter the consequences. It is a film that was directed by Michael Mann, from a script adapted by Eric Roth and Mann. At its heart, the film is based on Marie Brenner's 'Vanity Fair' article "The Man Who Knew Too Much". Key stars are Al Pacino and Russell Crowe, with supporting actors including Christopher Plummer, Bruce McGill, Diane Venora and Michael Gambon. Mann and Pieter Jan Brugge produced the film which was distributed by Buena Vista Pictures Distribution.

"The Insider" is a fictionalized account of a true story, and its plot comes from the '60 Minutes' segment about Jeffrey Wigand (Russell Crowe), a whistleblower in the tobacco industry. Covering the personal struggles of Wigand and CBS producer Lowell Bergman (Al Pacino), shown are the wise and active defensive efforts made against CBS and Wigand's former employer. These parties had worked to discredit and suppress Wigand's testimony.

It was Bergman who had suspected that a story lied behind Wigand's reluctance to speak. As Bergman persuaded Wigand to share his knowledge of industry secrets, the two had to contend with the courts and the corporations that stood between them and exposing the truth. Wigand had to struggle to maintain his family life amidst all the lawsuits and death threats.

The film received great critical praise, but it was a commercial disappointment. It didn't make a profit.

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