My Love From Another Star (21 Episodes)

Jun Ji Hyun as Cheon Song Yi
Kim Soo Hyun as Do Min Joon
Park Hae Jin as Lee Hee Kyung
Yoo In Na as Yoo Se Mi

 http://en.wikipedia.org/wiki/My_Love_from_the_Star

Prime Minister and I (16 Episodes)

Lee Beom-soo as Kwon Yul
Im Yoona as Nam Da Jung
Yoon Shi-yoon as Kang In Ho
Chae Jung-an as Seo Hye Joo
Ryu Jin as Park Joon Ki

http://en.wikipedia.org/wiki/Prime_Minister_and_I