Circle

Yeo Jin-goo

Kim Woo-Jin· 12 ep

Kim Kang-woo

Kim Joon-Hyuk· 12 ep

Gong Seung-yeon

Han Jung-Yeon· 12 ep

Lee Gi-kwang

Lee Ho-Soo· 12 ep

Kwon Hyuk-soo

Detective Oh· 12 ep

An Woo-yeon

Kim Beom-Gyoon· 12 ep

Kim Joong-ki

Kim Kyu-Cheol· 12 ep

Min Sung-wook

Lee Hyun-Seok· 12 ep

Nam Myung-ryeol

Yoon Hak-Joo· 12 ep

Lee Hwa-Kyum

Secretary Shin· 12 ep

Seo Hyun-chul

Hong Jin-Hong· 12 ep

Song Young-gyu

Hwang Yong-Woo· 12 ep

Oh Eui-sik

Lee Dong-Soo· 12 ep

Kim Ye-joon

Kim Bum-gyun (young)· 12 ep

Jung Ji-hoon

Kim Woo-jin (young)· 12 ep

Jung In-sun

Park Min-young· 12 ep