Veterans of the silver screen Harrison Ford and Anthony Hopkins will star in the political thriller 'Official Secrets,' an upcoming motion picture about a British whistleblower who contacts members of the press with sensitive information about the National Security Agency during the time leading up to the 2003 invasion of Iraq. The film is based on the novel 'The Spy Who Tried to Stop a War: Katharine Gun and the Secret Plot to Sanction the Iraq Invasion' written by Marcia and Thomas Mitchell.