김성겸

Yu Shin-woo

Chairman Lee Sam-goo

Company president Lee

Ma Pa-ram

Man-taek's grandfather

Uhm Hwi Jang

Shi Yeon's Father

Grandfather from Kangwondo

Seung-wan's father

Principal

Choi Kyung-son

Choi Kyu-ha

Bong-soo's father

박덕보

Dong-sik