Signal
First air date: 2016-01-22

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Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.


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Lee Je-hoon

as Park Hae-young

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Kim Hye-soo

as Cha Soo-hyun

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Cho Jin-woong

as Lee Jae-han

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Jang Hyun-sung

as Kim Bum-joo

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Jung Hae-kyun

as Ahn Chi-soo

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Kim Won-hae

as Kim Gye-chul

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Jung Han-bi

as Oh Yoon-seo

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Lee Yoo-jun

as Jung Heon-gi

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Kim Min-gue

as Hwang Ui-kyung

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Son Hyun-joo

as Jang Young-chul

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Kang Chan-hee

as Park Sun-woo

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Im Hwa-young

as Cha Soo-min

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