Kang Ha-neul

In-su

Kim So-eun

Ghost Girl

Kim Jung-tae

Seon-il

Han Hye-rin

Hyun-ji

Park Doo-sik

Hae-chul

Ju Min-ha

Na-ra

Joo Ah-reum

Sung-hee

Kwak Jung-wook

Ki-tae

Park Choong-seon

Se-he's father

Lee Ah-hyeon

Teacher

Oh Youn-hong

Ah-young's mother

Lee Bom

Hye-jung