Kim Suna (born October 1, 1975) is a South Korean actress best known for her role in the award winning Korean drama
My Name is Kim Sam Soon. Kim Sun Ah finished her secondary education in Chōfu, Japan, and can speak Japanese fluently.
Kim Sun Ah is currently one of Korean cinema’s top actresses. She debuted in the television series
Forever Yours. Since 1998, she has appeared in many series, but it was her career-defining title role in the 2005
My Name is Kim Sam Soon that made her an international household name. The actress is said to have gained 15 pounds for the role of an ungainly single woman in her thirties searching for romance, a bittersweet characterization that many viewers empathized with. Kim debuted on the silver screen in the 2002 action movie
Yesterday followed by
She's on Duty where Kim Sun Ah’s character, Chon Jae In, is a detective who goes undercover as a high school student.
Kim played mainly haughty, cosmopolitan roles until the movie
Wet Dreams. She appeared opposite actor Lim Chang Jung in another comedic role in the movie
The Greatest Expectation.
In addition, Kim had a role in the 2003 romantic comedy
Happy Ero Christmas (a popular combination with male counterpart Cha Tae Hyun), the lead role in 2004's
S Diary and in the wake of her
Kim Sam Soon success, the 2008 action comedy
Girl Scout. Although her 2008 drama
When It's At Night had poor ratings, the 2009 drama
The City Hall where she plays a beauty pageant contestant, Sin Mi Rae, had hit the 14.6% viewing rate by the second episode.
Source:
Wikipedia 
