Signal

Crime
Mystery
Sci-Fi & Fantasy
Drama
"There are those who are born monsters, but there are also those who are made into monsters by people."


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

Park Hae-young

Kim Hye-soo

Cha Soo-hyun

Cho Jin-woong

Lee Jae-han

Jang Hyun-sung

Kim Bum-joo

Jung Hae-kyun

Ahn Chi-soo

Kim Won-hae

Kim Gye-chul

Jung Han-bi

Oh Yoon-seo

Lee Yoo-jun

Jung Heon-gi

Kim Min-gue

Hwang Ui-kyung

Kang Chan-hee

Park Sun-woo

Im Hwa-young

Cha Soo-min

Jinnie Choi

Executive Producer

Park Seong-il

Music

Lee Jae-moon

Producer

INKII

Vocals

Kim Eun-hee

Writer