Series Cast 16

1. 

   Song Seung-heon

   Kang Ha-Ri (26 Episodes)

2. 

   Tae Won-seok

   Do Jin-Woong (26 Episodes)

3. 

   Lee Si-eon

   Im Byung-Min (26 Episodes)

4. 

   Krystal Jung

   Cha A-Ryeong (14 Episodes)

5. 

   Ahn Se-ho

   Investigator Maeng (14 Episodes)

6. 

   Kwak Ja-hyung

   Cheon Dong-Sub (14 Episodes)

7. 

   Kim Won-hae

   Jang In-Kyu (14 Episodes)

8. 

   Kim Gwi-seon

   Director of Prosecutors' Office (14 Episodes)

9. 

   Ha Soo-ho

   "Tattoo" ["The Man's" aide] (14 Episodes)

10. 

    Oh Yeon-seo

    Jung Soo-min (12 Episodes)

11. 

    Jang Gyu-ri

    Cha Je-yi (12 Episodes)

12. 

    Ha Do-kwon

    — (12 Episodes)

13. 

    Heo Sung-tae

    — (12 Episodes)

14. 

    Lee Jun-hyeok

    — (12 Episodes)

15. 

    Cho Seong-ha

    — (12 Episodes)

16. 

    Seong Seung-ha

    Hwi Ung (3 Episodes)

Series Crew 7