Kim Moo-yul as the detective and Kim Sung-kyu playing the vicious serial killer are certainly notable in their respective roles, but the star of the show is Don Lee (aka Ma Dong-seok) who is becoming increasingly prolific at home, starring in scores of films - one of which was appropriately titled Unstoppable (2018). While he may be at risk of over-exposure, something that might hinder domestic box office for The Gangsters… , the films’ simple concept and solid execution should enable it to find an enthusiastic audience, not least internationally