Series Cast 12

1. 

   Kim Bo-ra

   teenage Jung-soo (20 Episodes), Eun Jung Soo [Teen] (20 Episodes)

2. 

   Choi Jung-won

   Eun Jung-soo (20 Episodes)

3. 

   Kim Jeong-hoon

   Do Jin-hoo (20 Episodes)

4. 

   Son Eun-seo

   Eun Kyung Hee (20 Episodes)

5. 

   Park Yoon-jae

   Kang Min Gi (20 Episodes)

6. 

   Choi Su-rin

   Eun Hye Jeong (20 Episodes)

7. 

   Park So-young

   teenage Kyung-hee (20 Episodes)

8. 

   Park Shi-woo

   Kyung Hee [Young] (20 Episodes)

9. 

   Jang Tae-seong

   Eun Kyeong Ho (20 Episodes)

10. 

    Yoon Chae-yi

    Song Jin Kyung (20 Episodes)

11. 

    Jin Ye-sol

    Yoo Ah Ra (20 Episodes)

12. 

    Shin Soo-yeon

    Kyung Hee [Young] (20 Episodes)

Series Crew 2