Series Cast 13

1. 

   Kim Ji-hun

   Kim Hyung-Do (12 Episodes)

2. 

   Jeong So-min

   Choi Eui-Shin (12 Episodes)

3. 

   Im Jung-eun

   Heo Yoon-Yi (12 Episodes)

4. 

   Kim Kap-soo

   Ji Seung (12 Episodes)

5. 

   Jo Hee-bong

   Jang-man (12 Episodes)

6. 

   Yoon Byung-hee

   — (12 Episodes)

7. 

   Lee Won-jae

   — (12 Episodes)

8. 

   Dong Bang-woo

   Eo Soon-Kwon (1 Episode)

9. 

   Choe Min

   Doobakgyo Department (1 Episode)

10. 

    Kim Eung-soo

    — (1 Episode)

11. Yoon Jong-hwa

    Oh Kyung-Woon (1 Episode)

12. 

    Jo An

    Boo Ok (1 Episode)

13. 

    Kim Kyu-chul

    Lord Choi (1 Episode)

Series Crew 0

There are no crew records added to Secret Investigation Record.