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What it's about
The film is based on the actual events of the Portland Spy Ring trial in the U.K. A disgruntled Navy Clerk is transferred to a secret research establishment and is subsequently black-mailed/paid by Czech intelligence to procure secrets for them. He seduces the secretary who controls the most secret documents, and they enjoy the fruits of their treachery until the British authorities begin to close in on them.
Cast and crew
- Director
- Robert Tronson
- Writer
- Frank Launder, Peter Barnes
- Starring
- Bernard Lee, William Sylvester, Margaret Tyzack
Details
- Release date
- May 28, 1964
- Language
- English
- Country
- United Kingdom
Where to Watch Ring of Treason (1964) in Canada — common questions
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