Kim Woo-jin
Yoon Sim-duk
Jung Jum-hyo
Hong Nan-pa
Lee Seo-koo
Kim Sung-kyu
Yoon Suk-ho
Madam Kim
Yoon Sung-duk
Yoon Ki-sung
Jo Myung-hee
Hong Hae-sung
Lee Yong-moon
Dauchi
Woo-jin's Employee
Kyosuke Tomoda
Kim Hong-ki
Professor Ueno
Director of Academic Affairs
Han Ki-joo
Jin Sung
Yun Ki Sung's schoolmate
