Truth is a 2015 American biographical political drama film written, produced and directed by James Vanderbilt in his directorial debut. It is based on American television news producer Mary Mapes's memoir Truth and Duty: The Press, the President and the Privilege of Power. The film focuses on the Killian documents controversy and the resulting last days of news anchor Dan Rather and producer Mary Mapes at CBS News. It stars Cate Blanchett as Mapes and Robert Redford as Rather.