Signal (2018)

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A Call from the Past, the Call for the Future


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.

Series Cast

  1. Kentaro Sakaguchi as Kento Saegusa

    Kentaro Sakaguchi

    Kento Saegusa

    10 Episodes

  2. Kazuki Kitamura as Takeshi Ooyama

    Kazuki Kitamura

    Takeshi Ooyama

    10 Episodes

  3. 吉瀨美智子 as Misaki Sakurai


    Misaki Sakurai

    10 Episodes

  4. Yuichi Kimura as Tsutomu Yamada

    Yuichi Kimura

    Tsutomu Yamada

    10 Episodes

  5. Tetsuhiro Ikeda as Shinya Kojima

    Tetsuhiro Ikeda

    Shinya Kojima

    10 Episodes

  6. Kaede Aono as Rika Anzai

    Kaede Aono

    Rika Anzai

    10 Episodes

  7. Fuju Kamio as Ryota Kato

    Fuju Kamio

    Ryota Kato

    10 Episodes

  8. Atsuro Watabe as Shinnosuke Nakamoto

    Atsuro Watabe

    Shinnosuke Nakamoto

    10 Episodes

  9. Takemi Fujii as

    Takemi Fujii

    10 Episodes

  10. View More

Full Cast & Crew

Last Season

Season 1

2018 • 10 Episodes

Season 1 of Signal premiered on April 10, 2018.

Episode 10

(1x10, June 12, 2018) Season Finale

View All Seasons



Original Name シグナル 長期未解決事件捜査班

Status Ended


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Type Scripted

Original Language Japanese


Content Score 


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