Heartless City

Jung Kyung-ho

Jeong Si-hyeon

Nam Gyu-ri

Yoon Soo-Min

Lee Jae-yoon

Ji Hyeong-min

Son Chang-min

Min Hong-ki

Yoon Hyun-min

Kim Hyeon-soo

Kim Byeong-Ok

'Scale' Kim Kyung-shik

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Jung Ji-soon

Jo Ha-neul

Kim Yu-mi

Lee Jin-sook

Park Soo-young

Detective Squad Chief Yang

Lee Moo-saeng

Detective Kim Do Hoon