Series Cast 16

1. 

   Ju Sang-uk

   Jin Hyeong-woo (50 Episodes)

2. 

   Nam Joo-hyuk

   Jin Hyeong-woo (teen) (50 Episodes)

3. 

   Choi Kang-hee

   Shin Eun-soo (50 Episodes)

4. 

   Kim Sae-ron

   Shin Eun-soo (teen) (50 Episodes)

5. 

   Cha Ye-ryun

   Kang Il-joo (50 Episodes)

6. 

   Kim Bo-ra

   Kang Il-joo (teen) (50 Episodes)

7. 

   Jung Jin-young

   Kang Seok-hyun (50 Episodes)

8. 

   Dong Ha

   Shin Bum-Soo (50 Episodes)

9. 

   Na Young-hee

   Hyeong-woo's mother (50 Episodes)

10. 

    Jeong In-gi

    Eun-soo's father (50 Episodes)

11. 

    Park Jung-ah

    Lee See-young (50 Episodes)

12. 

    Kal So-won

    Hong Mirae (50 Episodes)

13. 

    Choe Min

    — (50 Episodes)

14. 

    Kim Mi-kyeong

    Eun-soo's mother (50 Episodes)

15. 

    Jo Yeon-woo

    Kwon Joon-hyeok (50 Episodes)

16. 

    Kim Jeong-wook

    Kim Kyeong-min (50 Episodes)

Series Crew 3