Signal
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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Seasons
Season 2
endedThere won't be a season 2, the show has ended.
Season 1
16 episodes
Jan 22, 2016
Casting
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-kyu
Hwang Ui-Kyung
Son Hyun-joo
Jang Young-Chul
E Xi-a
Kim Won-Kyung
Kim Ki-chun
Lee Chun-Goo
Lee Sang-yeob
Kim Jin-Woo
Seo Eun-ah
Yoo Seung-Yeon
Lee Dong-ha
Han Se-Gyu
Chani
Park Sun-Woo
Im Hwayeong
Cha Soo-Min
Choi Woo-Ri
Shin Yeo-Jin (ep.5-6)
Networks
Content rating
15