안지호

Bo-hee

김주아

Nok-yang

Shin Dong-mi

Bo-hee's Mother

Seo Hyeon-woo

Seong-wook

Kim So-ra

Nam-hee

Min Kyeong-Jin

Professor

Lee Joo-won

Son

Kim Hyun-bin

Seong-hyeon

차서원

Doctor

김희창

Seong-hyeon's Father

Lee Hae-yeong

Bo-hee's Mother's Boyfriend

박근록

Homeroom Teacher