Ryoo Seung-wan is a South Korean film director. He made his debut in 1996 with the short film 'Dangerous Head', then worked as a director under director Park Chan-wook, took film lessons, and made his feature film debut in 2000 with Die Bad. In 2000, he received the Blue Dragon Film Awards for Best New Director, drawing attention from the film industry. Ryoo Seung-wan is called Korea's 'action kid' for his unique action and rough life style, and he directed films such as Crying Fist and The Battleship Island.

Park Chan-wook is a South Korean film director, screenwriter, producer, and former film critic. He is considered one of the most prominent filmmakers of South Korean cinema as well as 21st-century world cinema. His films, which often blend crime, mystery and thriller with other genres, and have gained notoriety for their cinematography, framing, black humor and often brutal subject matters.