Warner Bros. Pictures released a new trailer for American Sniper, an upcoming American biographical action film directed by Clint Eastwood and written by Jason Dean Hall. Based on Chris Kyle's autobiography American Sniper. It stars Bradley Cooper, Sienna Miller, Luke Grimes, Kyle Gallner, Sam Jaeger, Jake McDorman, Cory Hardrict, Navid Negahan, Keir O'Donnell. American Sniper is scheduled for a limited release on December 25, 2014, before opening wide on January 16, 2015.