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