Song Kang-ho
Sang-hyun
Acting
Gang Dong-won
Dong-soo
Acting
Bae Doona
Su-jin
Acting
IU
So-young
Acting
Lee Joo-young
Detective Lee
Acting
Lim Seung-soo
Hae-jin
Acting
Park Ji-yong
Woo-sung
Acting
Song Sae-byuk
Orphanage Director
Acting
Kim Sun-young
Orphanage Director's wife
Acting
Lee Mu-saeng
Seon-ho
Acting
Lee Dong-hwi
Mr. Song
Acting
Kim Sae-byuk
Song's Wife
Acting
Bek Hyun-jin
Detective Choi
Acting
Oh Hee-jun
Choi's Subordinate
Acting
Ryu Kyung-soo
Tae-ho
Acting
Jong Ho
Young-gil
Acting
Sung Yu-been
Young-min
Acting
Park Kang-seop
Si-woo
Acting
Kim Keum-soon
Ms. Park
Acting
Kang Gil-woo
Mr. Im
Acting
Kim Yae-eun
Im's Wife
Acting
Park Hae-joon
Mr. Yoon
Acting
Jung Ji-woo
Yoon's Wife
Acting
Ryu Ji-an
Yun-ah
Acting
Yun Seul
Babybox Staff 1
Acting
Jang Hye-min
Babybox Staff 2
Acting
Jeong Jong-yeol
Babybox Pastor
Acting
Jung Ah-young
Jung-ae
Acting
Lee Ye-seo
Ye-seo
Acting
Choi Hee-jin
Mi-sook
Acting
Lee Do-goon
Police Officer
Acting
Kim Do-yeon
Seon-ah
Acting
Choi Hyo-sang
Doctor
Acting
Kang Min-ji
Nurse 1
Acting
Lee Ga-kyung
Nurse 2
Acting
Yang Gwon-seok
Taxi Driver
Acting
Lee Doo-seok
Gyu-seok
Acting
Yoon Sang-hak
Granny in front of the Laundromat
Acting
Lee Do-gyoo
4-Year-Old Woo-sung
Acting
Lee Yoo-joo
Little Girl at So-young's House 1
Acting
Kang Gyoo-rin
Little Girl at So-young's House 2
Acting
Kim Joo-eun
Little Girl at So-young's House 3
Acting
Lim Ga-Young
19-Years-Old Girl at So-young's House
Acting
Woo Sung-min
Orphanage Kid 1
Acting
Choi Yoon-woo
Orphanage Kid 2
Acting
Jung Hyuk
Teenager 1
Acting
Lee Dong-hyeon
Teenager 2
Acting
Kim Yoon-ho
Teenager 3
Acting
Kim Do-yeop
Teenager 4
Acting
Song Ji-ho
Teenager 5
Acting
Kim Soo-ji
Teenager 6
Acting
Park Jong-hyeon
Detective 1
Acting
Jeon Sun-ho
Ji-yeong
Directing
Park Yeong-joon
Orphanage Staff
Acting
Hwang Do-yoon
Babybox Baby 1
Acting
Kim Da-na
Babybox Baby 2
Acting
Kim Soo-hyeon
Babybox Baby 3
Acting
Bae Ga-jin
Babybox Nanny 1
Acting
Kim Jin-ah
Babybox Nanny 2
Acting
Son Yeong-ok
Sang-hyun's Mother
Acting
Jeong Myeong-yeon
Sang-hyun's Wife
Acting
Sin Chae-rin
Young Yun-ah
Acting
Park Geon-woo
Young Dong-soo
Acting
Choi Gi-sang
First Director of the Orphanage
Acting
Park Byeong-gwan
Second Director of the Orphanage
Acting
Na Gyeong-cheol
News Anchor (voice)
Acting
Lee Ga-eun
Subway Announcement (voice)
Acting