Park Chan-wook ( ; born August 23, 1963) is a South Korean film director, screenwriter, producer, and former film critic. One of the most acclaimed and popular filmmakers in his native country, Park is most known for his films Joint Security Area, Thirst and what has become known as The Vengeance Trilogy, consisting of 2002's Sympathy for Mr. Vengeance, Oldboy in 2003 and Sympathy for Lady Vengeance in 2005. His films are noted for their immaculate framing, black humor and often brutal subject matter.