Cast 17

1. 

   Kim Gyu-ri

   Min-ah

2. 

   Park Ye-jin

   Hyo-shin

3. 

   Lee Yeong-jin

   Shi-eun

4. 

   Gong Hyo-jin

   Ji-won

5. 

   Kim Jae-in

   Yeon-an

6. 

   Baek Jong-hak

   Go Hyeong-seok

7. 

   Maeng Bong-hak

   Biology Teacher

8. 

   Jung Jin-Gak

   Vice Principal

9. Chae Yoon-Seo

   Turtle Girl

10. Kim Kyeong-Jin

    Group of Singer

11. Hye-mi Lee

    Student

12. Shin Hye-Jung

    Classmate

13. Seung-Yeon Han

    Class Leader

14. 

    Lim Seong-eon

    Athletics Member

15. 

    Ku Hye-Ju

    Athletics Captain

16. 

    Oh Min-ae

    Teacher Yang-ho

17. 

    Han Min-gwan

    Si Eun-jae

Crew 14