No Mercy for the Rude (Korean: 예의없는 것들; RR: Yeui-eomneun Geotdeul) is a 2006 South Korean neo-noir action comedy film directed by Park Chul-hee. It stars Shin Ha-kyun in the lead role. The film revolves around a mute hitman who vows to kill only rude people, and use the money for his tongue operation. The film released theatrically in South Korea on 24 August 2006.