Jang Dong-gun is a South Korean actor. He is best known for his leading roles in the films Friend (2001) and Taegukgi: The Brotherhood of War (2004). Jang is one of the highest-paid actors and celebrity endorsers in Korea, consistently topping surveys by industry insiders of most bankable stars.

Friend is a 2001 South Korean neo-noir action film written and directed by Kwak Kyung-taek. Upon its release, it became the highest-grossing South Korean movie up to that time. Its record was surpassed in 2003 by Silmido.