The Gangster, the Cop, the Devil (Korean: 악인전; lit. 'The story of evil people') is a 2019 South Korean action crime film directed by Lee Won-tae that is based on a true story. The film stars Ma Dong-seok, Kim Mu-yeol and Kim Sung-kyu. In the film, a gangster and a cop join forces to capture a serial killer for their respective purposes, but they face challenges from their respective enemies. The Gangster, the Cop, the Devil was released theatrically in South Korea on 15 May 2019, and was also screened in the "Midnight Screenings" section at the 2019 Cannes Film Festival as well as at the 2019 Fantasia International Film Festival.