Son Jeong-hwan

as Byung-tae

Lee Young-ok

as Young-ja

Han Jin-hee

as Doctor

Baek Il-seob

as Byung-tae's older brother

Park Nam-ok

as Byung-tae's sister-in-law

Kim Hee-ra

as Byung-tae's brother-in-law

Hong Yu-jeong

as Byung-tae's sister

Choi Nam-hyun

as Young-ja's father

Kim Shin-jae

as Young-ja's mother

Lee Seung-hyun

as Byung-tae's younger brother

Han Eun-jin

as Byung-tae's mother

Lee Hae-ryong

Park Seong-ho

Seong-ho Jin