어느날

Kim Nam-gil

Kang-soo

천우희

Mi-so

정선경

Mi-so's Mother

임화영

Seon-hwa

박희본

Ho-jung

윤제문

Choi Doo-yong

김예준

Choi Ji-ho

김정현

Assistant Manager Cha

Lee Seung-yeon

Head Nurse (uncredited)

Lee Ru-ahn

Studio Complex Keeper

김혜옥

Seon-hwa's mother

강숙

Mi-so's caregiver