Hong Gil-dong (Korean: 쾌도 홍길동; lit. Fast-sword Hong Gil-dong) is a 2008 South Korean television series starring Kang Ji-hwan in the title role, Sung Yu-ri, Jang Keun-suk and Kim Ri-na and is written by the Hong sisters. The drama is loosely based on Hong Gil-dong, a fictional book about a Robin Hood-like character during Korea's Joseon Dynasty, but with modern influences and comedic tones. It aired on KBS2 from January 2 to March 26, 2008 on Wednesdays and Thursdays at 21:55 for 24 episodes.