Wonderful Days (50 Episodes)

Lee Seo Jin as Kang Dong Seok
Kim Hee Sun as Cha Hae Won
Ok Taecyeon as Kang Dong Hee

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

Star's Lover (20 Episodes)

Choi Ji Woo as Lee Ma Ri
Yoo Ji Tae as Kim Chul Soo
Lee Ki Woo as Jung Woo Jin
Cha Ye Ryun as Choi Eun Young

http://en.wikipedia.org/wiki/Star's_Lover

Jang Bo Ri Is Here! (52 Episodes)

Oh Yeon Seo as Jang Bo Ri
Kim Ji Hoon as Lee Jae Hwa
Lee Yoo Ri as Yeon Min Jung
Oh Chang Seok as Lee Jae Hee

 http://en.wikipedia.org/wiki/Jang_Bo-ri_is_Here!

You're All Surrounded (20 Episodes)

Lee Seung Gi as Eun Dae Gu/Kim Ji Young
Cha Seung Won as Seo Pan Seok
Go Ara as Eo Soo Seun
Ahn Jae Hyun as Park Tae Il
Park Jung Min as Ji Gook
Oh Yoon Ah as Kim Sa Kyung
Sung Ji Roo as Lee Eung Do

http://en.wikipedia.org/wiki/You're_All_Surrounded

Good Doctor (20 Episodes)

Joo Won as Park Shi On
Moon Chae Won as Cha Yoon Seo
Joo Sang Wook as Kim Do Han
Kim Min Seo as Yoo Chae Kyung

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

Medical Top Team (20 Episodes)

Kwon Sang Woo as Park Tae Shin
Jung Ryeo Won as Seo Joo Young
Ju Ji Hoon as Han Seung Jae
Oh Yeon Seo as Choi Ah Jin
Choi Min Ho as Kim Seong Woo

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

Angel Eyes (20 Episodes)

Gu Hye Sun as Yoon Soo Wan
Lee Sang Yoon as Park Dong Joo

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

Monstar (12 Episodes)

Ha Yeon Soo as Min Se Yi
Yong Jun Hyung as Yoon Seol Chan
Kang Ha Neul as Jung Seon Woo

 http://en.wikipedia.org/wiki/Monstar