Seung-ryong Ryu

Kang Jin-bong

Yum Jung-ah

Oh Se-yeon

Park Se-wan

Oh Se-yeon (younger)

Seong-wu Ong

Jung-woo

Yeong-gyu Park

Jin-bong's Father

Shim Dal Gi

Teenage Hyunjeong

Hee-kyung Yang

Landlady

Kim Hye-Ok

Jin-bong's mother

Ha Hyun Sang

Kang Seo Jin

Jong-soo Kim

Mokpo high school duty teacher - Special appearance

Won Hee Lee

Choreography team

Shallen Sabino

Sofia

Soon-woong Yu

Photo studio owner

Kim Sun-young

Jeong-ah

Han Yi-jin

Emergency room doctor

Young-sub Jung

MBC Chungbuk PD