Park Ji-bin
Jang Hani
Bae Jong-ok
Mum
Park Won-sang
Dad
Seo Dae-han
Jang Han-byul
Choi Woo-hyuk
Wook
Jeon Hye-jin
Hani's teacher
Oh Ji-hye
Wook's mother
Lee Seung-hun
Wook's father
Son Young-soon
Wook's grandmother
Cho Young-gwan
Park Jun-tae
Lee Hang
Doctor
Choi Jin-ho
Doctor Na Young-soo
Park Geun-soo
Resident
Yang Hyeon-woo
Ji Joo-chul
