The Bletchley Circle follows the journey of four ordinary women with extraordinary skills that helped to end World War II. Set in 1952, Susan, Millie, Lucy and Jean have returned to their normal lives, modestly setting aside the part they played in producing crucial intelligence, which helped the Allies to victory and shortened the war. When Susan discovers a hidden code behind an unsolved murder she is met by skepticism from the police. She quickly realises she can only begin to crack the murders and bring the culprit to justice with her former friends. The Bletchley Circle paints a vivid portrait of post-war Britain in this fictional tale of unsung heroes.

  1. Guy Burt


Series Cast

  1. Rachael Stirling

    Rachael Stirling


    7 Episodes

  2. Julie Graham

    Julie Graham


    7 Episodes

  3. Sophie Rundle

    Sophie Rundle


    7 Episodes

  4. Anna Maxwell Martin

    Anna Maxwell Martin


    7 Episodes

  5. Nick Blood

    Nick Blood

    Ben Gladstone

    4 Episodes

Full Cast & Crew

Last Season

The Bletchley Circle

Season 2

2014 | 4 Episodes

Season 2 of The Bletchley Circle premiered on January 6, 2014.

View All Seasons

The Bletchley Circle
The Bletchley Circle



Status Ended


  • See more TV shows from ITV...


  • TV-14


    This program contains some material that many parents would find unsuitable for children under 14 years of age.

Type Scripted

Original Language English

Runtime 45m



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