As One (2012)

Cast
Ha Ji-won (하지원) as Hyeon Jeong-hwa (현정화)
Bae Doona (배두나) as Lee Boon-hee (이분희)
Choi Yoon-yeong-I (최윤영) as Choi Yeon-jeong (최연정)
Han Ye-ri (한예리) as Yoo Soon-bok (유순복)
Park Cheol-min (박철민) as Coach Lee (이코치)
Kim Eung-soo (김응수) as Coach Jo (조감독)
Oh Jeong-se (오정세) as Oh Doo-man (오두만)
Lee Jong-suk (이종석) as Choi Kyeong-seop (최경섭)

Also known as "Korea"

Trailer

Synopsis
Table tennis player Hyun Jung-Hwa (Ha Ji-Won) wins silver medals, but always comes up short in the gold medal matches against a rival Chinese table tennis player. One month prior to the 1991 World Table Tennis Championships in Chiba, Hyun Jung-Hwa hears that a single Korean table tennis will be formed from South and North Korea. The South Korean players and its coach oppose the idea. Despite the opposition, the united Korean table tennis team is formed.
Players from South and North Korea meet at a training camp in Chiba, Japan. They are forced to become one team, but from their practice routines, to how they talk and how they live all cause clashes. Top North Korean table tennis player Lee Boon-Hee (Bae Doo-Na) and Hyun Jung-Hwa enter a war of nerves. The World Table Tennis Championships is fast approaching, but the Korean team can't even get along. Finally, the 1991 World Table Tennis Championships begins.