Cast from Green Chair 2013 - Love Conceptually

Kim Do-sung

Joo-won (주원)

Jin Hye-Kyung

Moon-hee

Park Sun-joon

In-gyoo (인규)

Park Se-in

Jin-joo (진주)

Park Seung-ok

Joo-won''s grandmother (주원의 할머니)

Han Si-woo

Sang-hoon (상훈)

Lee Sun-gyu

Professor's wife