보희와 녹양

Ahn Ji-ho

Bo-hee

김주아

Nok-yang

신동미

Bo-hee's Mother

서현우

Seong-wook

Kim So-ra

Nam-hee

민경진

Professor

이주원

Son

Kim Hyun-bin

Seong-hyeon

차서원

Doctor

김희창

Seong-hyeon's Father

이해영

Bo-hee's Mother's Boyfriend

Park Keun-rok

Homeroom Teacher