Dark Waters is a 2019 American legal thriller film directed by Todd Haynes and written by Mario Correa and Matthew Michael Carnahan. The story dramatizes Robert Bilott's case against the chemical manufacturing corporation DuPont after they contaminated a town with unregulated chemicals. It stars Mark Ruffalo as Bilott, along with Anne Hathaway, Tim Robbins, Bill Camp, Victor Garber, Mare Winningham, William Jackson Harper, and Bill Pullman.