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
Webtoon writer
Oh Sung Jae [Reporter]
[Yoon Wan's secretary]
[Patient's wife]
