Recurring Guest Characters
Hong Hae Sung
4 guest appearances
Yoon Suk Ho
4 guest appearances
Madam Kim
4 guest appearances
Yoon Sung Duk
4 guest appearances
Yoon Ki Sung
4 guest appearances
Jung Jum Hyo
4 guest appearances
Jo Myung Hee
3 guest appearances
Hong Nan Pa
3 guest appearances
Han Ki Joo
3 guest appearances
Kyosuke Tomoda
3 guest appearances
Kim Sung Gye
3 guest appearances
Woo Jin's Employee
2 guest appearances
Kim Hong Ki
2 guest appearances
Professor Ueno
1 guest appearances
Lee Seo Koo
1 guest appearances
Lee Yong Moon
1 guest appearances
Ki Sung's Schoolmate
1 guest appearances
Government Officer
1 guest appearances