Kim Sung-hoon, better known as Ha Jung-woo (Korean: 하정우), is a South Korean actor, film director, screenwriter and film producer. One of the highest grossing actors in South Korea, Ha's starring films have accumulated more than 100 million tickets. Only 3 other actors have reached this milestone, with Ha being nearly a decade younger than the rest when achieving this.

The Chaser (Korean: 추격자) is a 2008 South Korean action thriller film starring Kim Yoon-seok and Ha Jung-woo. It was directed by Na Hong-jin in his directorial debut. Inspired by real-life Korean serial killer Yoo Young-chul, certain scenes were shot on location around Mangwon-dong in the Mapo District, Seoul.