Series Cast 21

1. 

   박해수

   Kim Je-hyeok (16 Episodes)

2. 

   정경호

   Lee Jun-ho (16 Episodes)

3. 

   정수정

   Ji-ho (16 Episodes)

4. 

   이규형

   Looney (16 Episodes)

5. 

   최무성

   Min-cheol (16 Episodes)

6. 

   Jeong Min-seong

   Dr. Ko (16 Episodes)

7. 

   박호산

   KAIST (16 Episodes)

8. 

   강승윤

   Jean Valjean (16 Episodes)

9. 

   정웅인

   Lieutenant Paeng (16 Episodes)

10. 

    정해인

    Captain Yoo (16 Episodes)

11. 

    김성철

    Jailbird (16 Episodes)

12. 

    임화영

    Kim Je-hee (16 Episodes)

13. 

    강기둥

    Officer Song (16 Episodes)

14. 

    최성원

    Mole Boy (16 Episodes)

15. 

    성동일

    Chief Jo (16 Episodes)

16. 

    김경남

    Lee Joon-dol (16 Episodes)

17. 

    정문성

    Captain Yoo's Brother (16 Episodes)

18. 

    염혜란

    Han Yang's mother (5 Episodes)

19. 

    이도현

    Young Lee Jun‑ho (3 Episodes)

20. 

    Shin Dong-hoon

    Reporter (1 Episode)

21. 

    Kim Joong-ki

    Minister of Justice's aide (1 Episode)

Series Crew 2