Unlike typical gritty detectives, Ji-hyun operates with class. He uses high-end fashion, fancy cars, and psychological manipulation. The film plays with the double meaning of "gentleman"—a man of high social standing, but also a man of honor fighting a corrupt system.
The strongest selling point of Gentleman is undoubtedly its cast.
as Ji Hyun-soo: A private detective agency owner who poses as a prosecutor to clear his name. Park Sung-woong