Teacher Kim / Bu Yong-ju
Gang Dong-ju
Yun Seo-jeong
Do In-beom
Oh Yeon-hwa
Jeong In-su
Oh Myeong-sim
Jang Gi-tae
Nam Do-il
Park Eun-tak
Song Hyeon-cheol
Mr. Gu Hwang-u
Moon Tae-ho
Kang Dong-joo's mother
Yoon Seo Jeong [Young]
