![](https://image.tmdb.org/t/p/w342/fOAmurFpDm6ujSBfdDgMVo4oJJK.jpg)
Signal (2018)
Two detectives communicate through a walkie-talkie to solve a cold case. One detective exists in the present day, and the other detective exists 15 years in the past.
Misaki Sakurai
Shinnosuke Nakamoto
Takeshi Ooyama
Kento Saegusa
Tsutomu Yamada
Shinya Kojima
Rika Anzai
Ryota Kato
Kazuo Iwata
Kazuo Iwata
![](https://image.tmdb.org/t/p/w300/A83VrUYPM16uH0sB6gWyqF8u8c0.jpg)
![](https://image.tmdb.org/t/p/w300/u9ZPhrpsj9kmSohIXTIac4FMXg.jpg)