Na-mi
Young Na-mi
Choon-hwa
Young Choon-hwa
Jang-mi
Young Jang-mi
Jin-hee
Young Jin-hee
Geum-ok
Young Geum-ok
Bok-hee
Young Bok-hee
Young Su-ji
Young Joon-ho / Joon-ho's Son
Young Jong-ki
Sang-mi
Na-mi's Mother
Jong-ki
Ye-bin
Na-mi's Grandmother
Nami's Husband
Na-mi's Father
Teacher
Class Monitor
Jong-ki's Girlfriend
Girls' Generation Leader
Girls' Generation Member
Joon-ho
Past Detective
Gang High School Girl
Woman in Past Picture
Homeroom Teacher
Insurance Company Main Model
President of Private Detective Office
Jung-mi's Older Brother
Jang-mi's Mother
Sung-chan
Young-jin
Private Detective
School Broadcasting Club DJ
Joon-ho's Friend
Choon-hwa's Lawyer
Sang-mi's Group
Judge
Su-ji
Student Presenter at Festival
Bully Female Student
Insurance Company Branch Manager
Su-ji's mother
