Lee Joo-young
— Yoon-young
Koo Kyo-hwan
— Sung-won
Moon So-ri
— Lee Kyung-jin
Chun Woo-hee
— Maggie (voice)
박경혜
— Radiologist
박종환
— Gak Granger
Kwon Hae-hyo
— Maggie's Father
김꽃비
— Bookworm
오희준
— Hospital Patient
Dong Bang-woo
— Hospital Patient
Park Kang-seop
— Kang-sup
Don Mills
— Dong-hyun
Lee Joo-young
— Ji-yeon
심달기
— Hospital Patient
이옥섭
— Callcenter (voice)
Kim Min-seo
— Young Lee Kyung-jin
Lee Ha-eun
— High School Student
Im Su-hyung
— Caregiver
박길수
— Laundrette Owner
Han Tae-ee
— Hospital Patient