S. Craig Zahler is an American film director, screenwriter, actor, and novelist. He is best known for his 2015 feature film debut, Bone Tomahawk, and his 2017 follow-up, Brawl in Cell Block 99. He is also the author of four novels, including the Western-horror mashup Wraiths of the Broken Land. He often works in the horror and western genres, and his films often feature intense violence and dark humor.