The Bletchley Circle

Name: The Bletchley Circle
Genre: Drama, History, Crime
Released: 2012-01-01
Rating: 7.8
Cast: Rachael Stirling, Julie Graham, Sophie Rundle, Anna Maxwell Martin, Mark Dexter

2012 - 2014| 2 seasons| IMDb 7.8

Watch The Bletchley Circle (2012) for free in the UK on Channel 4. Last updated 20 January 2026.

Streaming availability last checked 20 January 2026

Drama History Crime

Four women who secretly cracked Axis communications code in World War II in England come together to solve a terrible series of violent murders.

Creator: Guy Burt

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FREE

Streaming info last checked: 20 Jan 2026

Cast

Rachael Stirling

Millie

Julie Graham

Jean

Sophie Rundle

Lucy

Nick Blood

Ben Gladstone

Hattie Morahan

Alice

Faye Marsay

The Bletchley Circle

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Cast

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