Casts
Yoona
as Seon-ji
Ahn Bo-hyun
as Gil-gu
Sung Dong-il
as Jang-su
Joo Hyun-young
as Ah-ra
Shin Hyun-soo
as Yeong-sik
Ko Gun-han
as Hee-bum
Song Duk-ho
as Young Jang-su
Lee Si-rae
as Seon-ji's maternal great-grandfather
Lee Hyo-bi
as 8-year-old Seon-ji
Kim Ye-na
as 15-year-old Seon-ji
