Official movie poster for The Secret Letters of Mary Queen of Scots (2025), a documentary film

The Secret Letters of Mary Queen of Scots(2025)

59m2025-10-18
Documentary

The Secret Letters of Mary Queen of Scots Synopsis

Tracing the extraordinary story of the amateur codebreakers who collaborated across continents to decipher a mysterious cache of coded letters which were discovered to be from Mary, Queen of Scots.

The Secret Letters of Mary Queen of Scots (2025) is a documentary film directed by Russell Barnes, released on October 18, 2025 with a runtime of 59m. It stars Katie Leung.

Director:
Russell Barnes
Producers:
Valérie Guérin
Production:
Lion Television
Status:
Released

The Secret Letters of Mary Queen of Scots Cast & Crew

Main cast

Key crew

Directed by Russell Barnes, produced by Valérie Guérin.

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The Secret Letters of Mary Queen of Scots – Frequently Asked Questions

Where can I watch The Secret Letters of Mary Queen of Scots online?

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The Secret Letters of Mary Queen of Scots (2025) does not have a confirmed streaming, rental or digital purchase option listed for your region yet. Availability is refreshed regularly, so check back for updates.

Who stars in The Secret Letters of Mary Queen of Scots?

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The main cast of The Secret Letters of Mary Queen of Scots (2025) includes Katie Leung. The film was directed by Russell Barnes. You can see the full cast and crew list, with character names, further up this page.

When was The Secret Letters of Mary Queen of Scots released?

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The Secret Letters of Mary Queen of Scots was released on October 18, 2025 and runs for 59m.