ຕົວຢ່າງ
ນັກສະແດງ
이연경
Geum-ok
김시후
Young Joon-ho / Joon-ho's Son
박영서
Young Jong-ki
김원해
Teacher
차태현
Insurance Company Main Model
Yang Joo-ho
Insurance Company Branch Manager
유호정
Na-mi
김민영
Young Jang-mi
홍진희
Jin-hee
김혜옥
Na-mi's Mother
최이선
Joon-ho's Friend
강소라
Young Choon-hwa
Bae Soo-kyung
Gang High School Girl
소희정
Homeroom Teacher
고준
Private Detective
Jun Yoon-ji
Student Presenter at Festival
박진주
Young Jin-hee
남보라
Young Geum-ok
정석용
Jong-ki
하승리
Ye-bin
김영옥
Na-mi's Grandmother
양희경
Jang-mi's Mother
안수호
Judge
이상아
Woman in Past Picture
김선경
Bok-hee
천우희
Sang-mi
김새벽
Class Monitor
김예원
Girls' Generation Leader
이준혁
President of Private Detective Office
Han Seung-hyeon
Jung-mi's Older Brother
성지루
Choon-hwa's Lawyer
김보미
Young Bok-hee
민효린
Young Su-ji
류혜린
Girls' Generation Member
박순천
Woman in Past Picture
엄혜수
Sang-mi's Group
백종학
Nami's Husband
이경영
Joon-ho
Kwon Eun-soo
School Broadcasting Club DJ
정원중
Na-mi's Father
강래연
Jong-ki's Girlfriend
심은경
Young Na-mi
진희경
Choon-hwa
고수희
Jang-mi
주진모
Sung-chan
강지원
Su-ji's mother