Circle

Min Jin-gi

Creator

Yeo Jin-goo

Kim Woo-Jin

Kim Kang-woo

Kim Joon-Hyuk

Gong Seung-yeon

Han Jung-Yeon

Lee Gi-kwang

Lee Ho-Soo

Kwon Hyuk-soo

Detective Oh

An Woo-yeon

Kim Beom-Gyoon

Kim Joong-ki

Kim Kyu-Cheol

Min Sung-wook

Lee Hyun-Seok

Nam Myung-ryeol

Yoon Hak-Joo

Lee Hwa-Kyum

Secretary Shin

Seo Hyun-chul

Hong Jin-Hong

Song Young-gyu

Hwang Yong-Woo

Oh Eui-sik

Lee Dong-Soo

Kim Ye-joon

Kim Bum-gyun (young)

Jung Ji-hoon

Kim Woo-jin (young)