Promotional cover of Signal
Banner of Signal


16 episodes
2 seasons
80user score

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

Cover of the Season 2 of Signal

Season 2


There won't be a season 2, the show has ended.

Cover of the Season 1 of Signal

Season 1

16 episodes
Jan 22, 2016

Communicating via a walkie-talkie that transcends time, a profiler from 2015 and a detective from 1989 join forces to tackle crimes and injustice.

Profile picture of Lee Je-hoon who plays Park Hae-young
Lee Je-hoon
Park Hae-young
Profile picture of Kim Hye-soo who plays Cha Soo-hyun
Kim Hye-soo
Cha Soo-hyun
Profile picture of Cho Jin-woong who plays Lee Jae-han
Cho Jin-woong
Lee Jae-han
Profile picture of Jang Hyun-sung who plays Kim Bum-joo
Jang Hyun-sung
Kim Bum-joo
Profile picture of Jung Hae-kyun who plays Ahn Chi-soo
Jung Hae-kyun
Ahn Chi-soo
Profile picture of Kim Won-hae who plays Kim Gye-chul
Kim Won-hae
Kim Gye-chul
Profile picture of Jung Han-bi who plays Oh Yoon-seo
Jung Han-bi
Oh Yoon-seo
Profile picture of Lee Yoo-jun who plays Jung Heon-gi
Lee Yoo-jun
Jung Heon-gi
Profile picture of Kim Min-gue who plays Hwang Ui-kyung
Kim Min-gue
Hwang Ui-kyung
Profile picture of Son Hyun-joo who plays Jang Young-chul
Son Hyun-joo
Jang Young-chul
Profile picture of Kang Chan-hee who plays Park Sun-woo
Kang Chan-hee
Park Sun-woo
Profile picture of Im Hwa-young who plays Cha Soo-min
Im Hwa-young
Cha Soo-min
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