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
Lee Young-jo
Webtoon writer
Nurse Nam
Ahn Woo Yeol
Dr. Lee
