Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
StatusReturning Series
TypeScripted
Original LanguageKorean
Network
Specials of Signal premiered on January 22, 2016
Season 1 of Signal premiered on January 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.
Season 2 of Signal premiered on January 1, 1970
이제훈
Park Hae-young
김혜수
Cha Soo-hyun
조진웅
Lee Jae-han
장현성
Kim Bum-joo
정해균
Ahn Chi-soo
김원해
Kim Gye-chul
Jung Han-bi
Oh Yoon-seo
이유준
Jung Heon-gi
김민규
Hwang Ui-kyung
손현주
Jang Young-chul
강찬희
Park Sun-woo
임화영
Cha Soo-min