Machine Gun Preacher is a 2011 American biographical action drama film directed by Marc Forster and starring Gerard Butler, Michelle Monaghan, and Michael Shannon. It tells the story of Sam Childers, a former gang biker turned preacher, and his efforts to protect, in collaboration with the Sudan People's Liberation Army (SPLA), the children of South Sudan from the atrocities of Joseph Kony's Lord's Resistance Army (LRA). The screenplay by Jason Keller was adapted from Childers' book Another Man's War and Ian Urbina's Vanity Fair article "Get Kony".