탐정: 더 비기닝

Kwon Sang-woo Kang Dae-man

Sung Dong-il Noh Tae-soo

Lee Seung-joon Kim Yong-gyu

Park Hae-joon Joon-soo

Seo Young-hee Mi-ok

Yoon Kyung-ho Detective Ma

Jo Bok-rae Lee You-no

Lee Hae-young Team Leader Seo

Ji Dae-han Jang-ho

Choi Seong-won Detective Jo Young-chu

Park Seong-il Detective Song

Lee Eon-jeong Han Seo-young