전도연

Eun-yi

이정재

Hoon

서우

Hae-ra

윤여정

Byeong-sik

박지영

Hae-ra's Mother

안서현

Nami

황정민

Eun-yi's Friend

문소리

Obstetrician

전신환

Chief Secretary (uncredited)

Lim Hyun-kyung

Yoga Teacher (uncredited)