During the thrilling social change of the mid-1950s, four remarkable women who previously served secretly during WWII as code-breakers, turn their skills to solving murders overlooked by police. In the process they are plunged into fascinating corners of the city, forge powerful relationships, and rediscover their own powers and potential.

Series Cast

  1. Julie Graham

    Julie Graham

    Jean McBrian

    8 Episodes

  2. Rachael Stirling

    Rachael Stirling

    Millie Harcourt

    8 Episodes

  3. Crystal Balint

    Crystal Balint

    Iris Bearden

    8 Episodes

  4. Chanelle Peloso

    Chanelle Peloso

    Hailey Yarner

    8 Episodes

  5. Ben Cotton

    Ben Cotton

    Detective Bill Bryce

    8 Episodes

Full Cast & Crew

Last Season

Season 1

2018 | 8 Episodes

Season 1 of The Bletchley Circle: San Francisco premiered on July 25, 2018.

View All Seasons

The Bletchley Circle: San Francisco
The Bletchley Circle: San Francisco


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Status Returning Series


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Certification -

Type Scripted

Original Language English

Runtime 45m



Content Score


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