 Jung Woo-sung made his film debut with a leading role in 1994's "The Fox with Nine Tails", one of the first Korean fantasy movies and the first to use computer-generated imagery.He debuted together with the actress Ko So-young, who later co-starred with him twice including his breakthrough 1997 film "Beat".Directed by Kim Sung-su, "Beat" is a story of a high school student caught up in gang life against his will.