XO is a 2014 American thriller film directed by Neil Burger and adapted by Jeffery Deaver from his 2012 novel of the same name. It stars Rachel McAdams, Meaghan Martin,Keegan Allen,Evan Rachel-Wood,Garrett Hedlund and Chris Pine. In the movie we can see a guest appearance of Angelina Jolie and Denzel Washington (Lincoln Rhyme in 'The Bone Collector'). The film had its world premiere on opening night of the 52nd New York Film Festival. It had its nationwide theatrical release on December 31.