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Question everything. Suspect everyone.


An MI6 deputy's bright future takes a sharp turn after a reunion with a Russian spy forces him to question his entire life.

  1. Matt Charman


Series Cast

  1. Charlie Cox as Adam Lawrence

    Charlie Cox

    Adam Lawrence

    5 Episodes

  2. Olga Kurylenko as Kara Yusova

    Olga Kurylenko

    Kara Yusova

    5 Episodes

  3. Oona Chaplin as Maddy De Costa

    Oona Chaplin

    Maddy De Costa

    5 Episodes

  4. Ciarán Hinds as Sir Martin Angelis

    Ciarán Hinds

    Sir Martin Angelis

    5 Episodes

  5. Beau Gadsdon as Ella Lawrence

    Beau Gadsdon

    Ella Lawrence

    5 Episodes

  6. Samuel Leakey as Callum Lawrence

    Samuel Leakey

    Callum Lawrence

    5 Episodes

  7. Alex Kingston as Audrey Gratz

    Alex Kingston

    Audrey Gratz

    5 Episodes

  8. Tracy Ifeachor as Dede Alexander

    Tracy Ifeachor

    Dede Alexander

    5 Episodes

  9. Adam James as Patrick Hamilton

    Adam James

    Patrick Hamilton

    4 Episodes

  10. View More

Full Cast & Crew

Last Season

Limited Series

2022 • 5 Episodes

Season 1 of Treason premiered on December 26, 2022.

Episode 5

(1x5, December 26, 2022) Season Finale

View All Seasons



Status Ended


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Type Miniseries

Original Language English


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