Kim Ok-bin (born 29 December 1986) is a South Korean actress. Kim made her debut in an online beauty contest in 2004, and began her acting career with a role in 2005 film Voice. Subsequent appearances include the television drama series Over the Rainbow and films such as Dasepo Naughty Girls and The Accidental Gangster and the Mistaken Courtesan. Kim has received several award nominations, and won Best Actress at the 2009 Sitges Film Festival for her role in Thirst.
Originally from Gwangyang, Jeollanam-do, Kim was born on 29 December 1986 and is the eldest of three siblings. As a child she trained in martial arts, and has attained third dan in Hapkido and second dan in Taekwondo; she also practices Muay Thai. Prior to her career as an actress, Kim considered joining the police.
Kim made her debut in an online beauty contest hosted by web portal Naver in 2004. Despite having little prior acting experience, she was cast of one of the three leads in the 2005 film Voice, a role which saw her nominated for "Best New Actress" at both the Blue Dragon Film Awards and Baeksang Arts Awards.
Kim next starred as the lead actress in Hanoi Bride, a two-part SBS drama aired during the Chuseok