Yoona

Seon-ji

Ahn Bo-hyun

Gil-gu

Sung Dong-il

Jang-su

주현영

Ah-ra

신현수

Yeong-sik

Go Geon-han

Hee-bum

한재아

Main body of Moon-yang

송덕호

Young Jang-su

박은진

Seon-ji's Mother

정지우

Seon-ji's Maternal Great-grandmother

이시래

Seon-ji's Maternal Great-grandfather

나경숙

Seon-ji's Maternal Great-grandmother's Mother-in-Law