Yu Oh-seong: Yu Oh-seong. Actor: Friend. Throughout the mid-1990s, Yoo Oh-sung complemented a career in television with minor roles in film. With his success playing a young gangster in the hit movie Beat (1997), Yoo's face became familiar to a new generation of moviegoers. The year 1999 was somewhat of a breakthrough for Yoo, as he took the lead role in the acclaimed comedy The Spy (1999) (The Spy) and also starred...
Known For: Friend (Lee Jeong-suk(as Ohsung Yoo)), Shinui (Ki Cheol(as Oh-seong Yu)), Beat (Tae Soo(as Ohsung Yoo)), Champion (Kim Deuk-gu(as Oh-seong Yu))