A Tale of Two Sisters

Lim Soo-jung

Su-mi

Moon Geun-young

Su-yeon

Yum Jung-ah

Eun-joo

Kim Kap-soo

Moo-hyeon

Park Mi-hyeon

Birth Mother

Lee Seung-bi

Mi-hee

Woo Ki-hong

Sun-kyu

Lee Dae-yeon

Doctor

No Seung-jin

Hwang

Song In-hyuk

Jang

Lee Yeong-sil

Woman

Won Ae-ri

Nurse

Kim Seong-yeong

Nurse

Kim Song-i

Su-mi (young)

Park Seo-in

Su-yeon (young)