Kim Woo-jin (6 Episodes)

Yoon Sim-duk (6 Episodes)

Jung Jum-hyo (6 Episodes)

Hong Nan-pa (6 Episodes)

Lee Seo-koo (6 Episodes)

Kim Sung-kyu (6 Episodes)

Yoon Suk-ho (6 Episodes)

Madam Kim (6 Episodes)

Yoon Sung-duk (6 Episodes)

Yoon Ki-sung (6 Episodes)

Jo Myung-hee (6 Episodes)

Hong Hae-sung (6 Episodes)

Lee Yong-moon (6 Episodes)

Dauchi (6 Episodes)

Woo-jin's Employee (6 Episodes)

Kyosuke Tomoda (6 Episodes)

Kim Hong-ki (6 Episodes)

Professor Ueno (6 Episodes)

Director of Academic Affairs (6 Episodes)

Han Ki-joo (6 Episodes)

Yun Ki Sung's schoolmate (1 Episodes)