Cast 67

1. 

   Song Kang-ho

   Sang-hyun

2. 

   Gang Dong-won

   Dong-soo

3. 

   Bae Doona

   Su-jin

4. 

   IU

   So-young

5. 

   Lee Joo-young

   Detective Lee

6. 

   Lim Seung-soo

   Hae-jin

7. 

   Park Ji-yong

   Woo-sung

8. 

   Song Sae-byuk

   Orphanage Director

9. 

   Kim Sun-young

   Orphanage Director's wife

10. 

    Lee Moo-saeng

    Seon-ho

11. 

    Lee Dong-hwi

    Mr. Song

12. 

    Kim Sae-byuk

    Song's Wife

13. 

    Baek Hyun-jin

    Detective Choi

14. 

    Oh Hee-jun

    Choi's Subordinate

15. 

    Ryu Kyung-soo

    Tae-ho

16. 

    Jong Ho

    Young-gil

17. 

    Seong Yu-bin

    Young-min

18. 

    Park Kang-seop

    Si-woo

19. 

    Kim Keum-soon

    Ms. Park

20. 

    Kang Gil-woo

    Mr. Im

21. 

    Kim Yae-eun

    Im's Wife

22. 

    Park Hae-jun

    Mr. Yoon

23. 

    Jung Ji-woo

    Yoon's Wife

24. 

    Ryu Ji-an

    Yun-ah

25. 

    Yun Seul

    Babybox Staff 1

26. Jang Hye-min

    Babybox Staff 2

27. 

    Jeong Jong-yeol

    Babybox Pastor

28. Jung Ah-young

    Jung-ae

29. 

    Lee Ye-seo

    Ye-seo

30. 

    Choi Hee-jin

    Mi-sook

31. 

    Lee Do-goon

    Police Officer

32. 

    Kim Do-yeon

    Seon-ah

33. 

    Choi Hyo-sang

    Doctor

34. Kang Min-ji

    Nurse 1

35. 

    Lee Ga-kyung

    Nurse 2

36. Yang Gwon-seok

    Taxi Driver

37. 

    Lee Doo-seok

    Gyu-seok

38. Yoon Sang-hak

    Granny in front of the Laundromat

39. Lee Do-gyoo

    4-Year-Old Woo-sung

40. Lee Yoo-joo

    Little Girl at So-young's House 1

41. Kang Gyoo-rin

    Little Girl at So-young's House 2

42. Kim Joo-eun

    Little Girl at So-young's House 3

43. 

    Lim Ga-Young

    19-Years-Old Girl at So-young's House

44. 

    Woo Sung-min

    Orphanage Kid 1

45. 

    Choi Yoon-woo

    Orphanage Kid 2

46. Jung Hyuk

    Teenager 1

47. 

    Lee Dong-hyeon

    Teenager 2

48. Kim Yoon-ho

    Teenager 3

49. Kim Do-yeop

    Teenager 4

50. Song Ji-ho

    Teenager 5

51. Kim Soo-ji

    Teenager 6

52. Park Jong-hyeon

    Detective 1

53. Jeon Sun-ho

    Ji-yeong

54. Park Yeong-joon

    Orphanage Staff

55. 

    Hwang Do-yoon

    Babybox Baby 1

56. Kim Da-na

    Babybox Baby 2

57. Kim Soo-hyeon

    Babybox Baby 3

58. Bae Ga-jin

    Babybox Nanny 1

59. Kim Jin-ah

    Babybox Nanny 2

60. Son Yeong-ok

    Sang-hyun's Mother

61. Jeong Myeong-yeon

    Sang-hyun's Wife

62. Sin Chae-rin

    Young Yun-ah

63. Park Geon-woo

    Young Dong-soo

64. Choi Gi-sang

    First Director of the Orphanage

65. Park Byeong-gwan

    Second Director of the Orphanage

66. Na Gyeong-cheol

    News Anchor (voice)

67. Lee Ga-eun

    Subway Announcement (voice)

Crew 41