Series Cast 13

1. 

   Bae Yong-jun

   Kang Joonsang / Lee Minhyeong (20 Episodes)

2. 

   Choi Ji-woo

   Jeong Yoojin (20 Episodes)

3. 

   Park Yong-ha

   Kim Sanghyeok (20 Episodes)

4. 

   Park Sol-mi

   Oh Chaerin (20 Episodes)

5. 

   Lee Hae-eun

   Gong Jinsook (20 Episodes)

6. 

   Ryu Seung-su

   Kwon Yonggook (20 Episodes)

7. 

   Song Ok-suk

   Kang Mihee (20 Episodes)

8. 

   Jeong Dong-hwan

   Professor Kim Jinwoo (20 Episodes)

9. 

   Kim Hae-sook

   Yoojin’s mother (20 Episodes)

10. 

    Jang Hang-seon

    Supervisor Kim (20 Episodes)

11. 

    Jung Won-joong

    Teacher Park Jeongo (20 Episodes)

12. 

    Ha Jae-yeong

    Jeong Hyeonsoo (20 Episodes)

13. 

    Lee Hyo-choon

    Sanghyeok’s mother (20 Episodes)

Series Crew 4