Main Cast
Kim Yo Han as Gong Ki Joon
An achiever taekwondo athlete who gets retired early after an ankle injury. He decides to become a vocational high school student and found another life journey.
Cho Yi Hyun as Jin Ji Won
An ordinary student and hard working part timer who wants to be a carpenter. He is one of Ki Joon’s best friends.
Choo Yeong Woo as Jung Young Joo
A transfer student who has had a complicated relationship with Ki Joon in the past. She has conflicted with her mother that influences her high school life.
Hwang Boreum Byeol as Kang Seo Young
An ambitious student who wants to entrance Korea’s prestigious university. She studies diligently to get her dream come true.
Read more: One Ordinary Day – Cast & Summary
Supporting Cast
Students of Architecture Design Class 2nd Grade 1 Class
- Kim Kang Min as Ji Ho Sung
- Seo Hee Sun as Go Eun Bi
- Yoon Yi Rae as Lee Jae Hee
- Lee Sang Jun as Lee Jae Hyeok
- Lee Ha Eun as Jung Min Seo
- Kim Nu Rim as Jeon Jong Bok
- Kim Jin Gon as Hong Min Ki
- Park Ga Ryul as Jo Tae Ri
- Jeong Ye Seo as Lee Hyo Joo
Faculty
- Kim Gyu Sun as Song Chae Rin
- Lee Ji Ha as Ku Min Hee
- Kim Min Sang as Lee Han Soo
- Park Keun Rok as Shin Cheol Min
- Shin Cheol Jin as Oh Jang Seok
- Ko Eun Min as Kim Young Na
- Lim Jae Geun as Yeo Sam Yeol
Gong Ki Joo’s Family
- Park In Hwan as Gong Young Soo
- Jin Ji Won’s Family
- Kim Soo Jin as Jo Yong Mi
- Jo Seung Yeon as Jin Deok Gyu
- Kim Ye Ji as Jin Ji Soo
Jung Young Joo’s Family
- Seo Jae Woo as Jung Cheol Joo
- Jo Ryun as Kim Sun Ja
OST (Original Soundtrack)
- Dream On – Purple Kiss No Go Eun
- 4MEN, David Yong – My Way