Lee Beom-soo

Lee Dae-roh

최성국

Detective Cha Jin-chul

Son Hyun-joo

Detective Kang Jong-tae

변주연

Lee Hyun-ji

강성연

Kim Young-sook

Park Choong-seon

Detective Park

Ryu Tae-ho

Jason Park

추자현

Yang Jung-ae

Jo Min-ki

Section chief Jo

유해진

Hankal

오현경

Chairman Ji

Oh Jee-hye

Hyun-ji's teacher