Chánh Thanh Tra 1958

Choi Deok Moon

Yoo Dae Cheon [Investigation team 1 leader]

Song Wook Kyung

Byun Dae Sik [Investigation team 2 leader]

Ryu Yeon Seok

Song Jae Deok [Detective]

Jo Han Joon

Hwang Soo Man [Detective]

Nam Hyun Woo

Oh Ji Seop [Detective]

Ko Sang Ho

Moon Kook Cheol [Autopsy doctor]

Chung Su Bin

Bong Nan Sil [High school student]

Uhm Jun Gi

Sung Chil [Grandma Ho's grandson]

Cha Mi Kyung

Grandma Ho [Rice cake shop owner]

Kim Seo An

Geum Ok [Go Myung's daughter]

Kim Young Sung

Lee Jung Jae [Libertarian party member]

Joo In Young

Fa Joo Daek [Boarding house owner]

Shin Min Jae

Geum Eun Dong [Banker]

Lee Suk Hyeong

Jung Kook Jin [Student]

Oh Yong

Choi Dal Sik [Jongnam police station's chief]

Kim Min Jae

Baek Do Seok

Yoo Hae Jin

Support Role

Park Jung Hyuk

Bang Wool Baem / “Rettlesnake” [Gangster]

Kang In Kwon

Sal Mo Sa / “Viper” [Thug]

Moon Jin Seung

Detective Kang