There is a popular Korean drama called " Jin" (also known as " The Man Who Became King" ), which aired in 2012. It features a strong cast, including:
* Song Seung-heon as Kim Myung-soo (the protagonist, a neurosurgeon who travels back in time to the Joseon Dynasty)
* Park Min-young as Choi Eun-soo (a nurse who travels back in time with Kim Myung-soo)
* Lee Min-ho as King In-jo (the king of Joseon during a turbulent time)
* Kim Eui-sung as Choi Myung-gil (Eun-soo's grandfather)
Are you perhaps thinking of a different drama or film? If you provide more details, I can help you find the cast information you are looking for.