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The series starts with the murder of a 10-year-old girl in 1984. 15 years later, after the case goes unsolved and passes the statute of limitations, a doctor named Goda Ryoji suddenly quits from his hospital and eventually becomes a detective. In 2008, he meets Sachi, a traveling artist in Paris, and shortly after Goda's return to Japan, he becomes involved in the expired murder case when another detective receives an anonymous phone call.

  1. Yoshishige Miyake


  2. Kento Kiuchi


  3. 白木啓一郎


Series Cast

  1. Goro Inagaki as Kuroki Shun

    Goro Inagaki

    Kuroki Shun

    11 Episodes

  2. Yosuke Eguchi as Goda Ryoji

    Yosuke Eguchi

    Goda Ryoji

    11 Episodes

  3. Ryoko Hirosue as Sachi

    Ryoko Hirosue


    11 Episodes

  4. Saki Aibu as Goda Yui

    Saki Aibu

    Goda Yui

    11 Episodes

  5. Masato Sakai as Shimano Takaya

    Masato Sakai

    Shimano Takaya

    11 Episodes

  6. Shosuke Tanihara as Tomioka Yasushi

    Shosuke Tanihara

    Tomioka Yasushi

    11 Episodes

  7. Kuranosuke Sasaki as Akimoto Ryo

    Kuranosuke Sasaki

    Akimoto Ryo

    11 Episodes

  8. Fumiyo Kohinata as Maruyama Keita

    Fumiyo Kohinata

    Maruyama Keita

    11 Episodes

  9. Ren Osugi as Katsuragi Hitoshi

    Ren Osugi

    Katsuragi Hitoshi

    11 Episodes

  10. View More

Full Cast & Crew

Last Season

Season 1

2009 • 11 Episodes

Season 1 of Triangle premiered on January 6, 2009.


(1x11, March 17, 2009) Season Finale

View All Seasons



Original Name トライアングル

Status Ended


  • See more TV shows from Fuji TV...

Type Scripted

Original Language Japanese


No keywords have been added.

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