Series
8.2
20162 SeasonsSignal
CrimeMysterySci-Fi & FantasyDrama
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
Seasons
Cast
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
