Park Eun Bin as I haven't watched Song Hye Ko that much :( 

Song Kang or Lee Do Hyun

Lee Do Hyun


Jo jung suk or cho seung wo

Cho Seung Woo

Seo Hyun Jin or Gong Hyo Jin

Gong Hyo Jin


Kim Young Dae or Lee Jun Young

Lee Jun Young

Ahn Hyo Seop or Rowoon 

Ahn Hyo Seop

Lee Da In or Kim Da Mi

Kim Da Mi


Kim Tae Ri or Song Hye Ko 

Song Hye Kyo


Park Eun Bin and Kim Se Jeong

kim se jeonh


Ryu Joon Yeol or Park  Bo Gum

Park Bo Bum

Choi Woo Shik or Park Seo Joon

Park Seo Joon


Jo jung suk or cho seung wo

Jo Jung Suk

Kim Go Eun or Han So Hee

Han So He

Lee Jun Ho or Ahn Bo Hyun

Ahn Bo Hyun


Park Eun Bin or Kim Go Eun

Kim Go Eun

Park Ju Hyun or Go Min Si