누나 친구 - Elenco
Jung Seo-yoon
Park Soo-jin
Yugang Kim
Cho Sung-jae
Joo In-cheol
Kim Joo-hyuk
Park Cho-hyeon
Seo Ji-eun
Jeong Dong-gyoo
President Cho / Sung-jae's Father
Kim Neul-me
Manager Kim
Kim Bo-ri
[College Preparatory Principal]
