柳好贞
Na-mi
沈恩敬
Young Na-mi
陈熙琼
Choon-hwa
姜素拉
Young Choon-hwa
高素熙
Jang-mi
金敏英
Young Jang-mi
洪真熙
Jin-hee
朴真珠
Young Jin-hee
李妍京
Geum-ok
南宝拉
Young Geum-ok
金宣敬
Bok-hee
金甫美
Young Bok-hee
闵孝琳
Young Su-ji
金时厚
Young Joon-ho / Joon-ho's Son
朴英徐
Young Jong-ki
千玗嬉
Sang-mi
金惠玉
Na-mi's Mother
郑锡勇
Jong-ki
荷承里
Ye-bin
金英玉
Na-mi's Grandmother
白钟学
Nami's Husband
郑元中
Na-mi's Father
金元海
Teacher
金玺碧
Class Monitor
姜来妍
Jong-ki's Girlfriend
金叡园
Girls' Generation Leader
柳惠琳
Girls' Generation Member
李璟荣
Joon-ho
Hwang Choon-ha
Past Detective
裴秀暻
Gang High School Girl
朴顺天
Woman in Past Picture
苏熙贞
Homeroom Teacher
车太贤
Insurance Company Main Model
李准赫
President of Private Detective Office
韩承龙
Jung-mi's Older Brother
杨姬琼
Jang-mi's Mother
朱进模
Sung-chan
Park Hee-jeong
Young-jin
高俊
Private Detective
权恩秀
School Broadcasting Club DJ
崔利善
Joon-ho's Friend
成志娄
Choon-hwa's Lawyer
严慧秀
Sang-mi's Group
안수호
Judge
Yoon Jung
Su-ji
Jun Yoon-ji
Student Presenter at Festival
Choi Soo-im
Bully Female Student
Yang Joo-ho
Insurance Company Branch Manager
李相亚
Woman in Past Picture
李相亚
Woman in Past Picture
