In 1997, Yen started the production company Bullet Films, and made his directorial debut in Legend of the Wolf (1997) and Ballistic Kiss (1998), in which he played the lead character.
I 1997 startede Yen et produktionsselskab kaldet Bullet Films, og fik sin debut som instruktør i Legend of the Wolf (1997) og Ballistic Kiss (1998), hvor han spillede hovedrollen.