Season Regulars 13

1. 

   Lee Seung-gi

   Eun Dae-gu / Kim Ji-yong

2. 

   Cha Seung-won

   Seo Pan-seok

3. 

   Go Ara

   Eo Soo-sun

4. 

   Ahn Jae-hyun

   Park Tae-il

5. 

   Oh Yoon-ah

   Kim Sa-kyung

6. 

   Seo Yi-sook

   Kang Seok-soon

7. 

   Lee Yi-kyung

   Shin Ki-jae

8. 

   Im Won-hee

   Cha Tae-ho

9. 

   Park Jeong-min

   Ji Gook

10. 

    Moon Hee-kyung

    Yoo Ae-yeon

11. 

    Lee Ki-young

    Shin Ji-il

12. 

    Song Young-gyu

    Jo Hyeong-Chul

13. 

    Son Hee-soon

    Sin Yoon-jeong's mother

Guest Stars 0

There are no cast records added to The Reason We're Not Detectives.

Crew 0

There are no crew records added to The Reason We're Not Detectives.