Deadline Hollywood is reporting Matt Damon has just signed on to star in the Robert F. Kennedy biopic at New Regency to be directed by Gary Ross. The film will be based off the Evan Thomas biography, "Robert Kennedy: His Life." Here is how the book is described by the publisher, Simon & Schuster.

He was "Good Bobby," who, as his brother Ted eulogized him, "saw wrong and tried to right it... saw suffering and tried to heal it." And "Bad Bobby," the ruthless and manipulative bully of countless conspiracy theories. Thomas's unvarnished but sympathetic and fair-minded portrayal is packed with new details about Kennedy's early life and his behind-the-scenes machinations, including new revelations about the 1960 and 1968 presidential campaigns, the Cuban Missile Crisis, and his long struggles with J. Edgar Hoover and Lyndon Johnson.

Steven Knight will be adapting Thomas' book for Ross to direct. It was also noted that the film will track his ascension from little brother to President Kennedy to a leader of his own before his assassination in 1968.

Knight (Eastern Promises) is also adapting the new Dan Brown novel The Lost Symbol.