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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.Read moreLess
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.
The story
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.
Watch trailerCast & crew
Bernard LeeHenry Houghton
William SylvesterGordon Lonsdale
Margaret TyzackElizabeth Gee
David KossoffPeter Kroger
Nancy NevinsonHelen Kroger
Thorley WaltersCmdr. Winters
Philip LathamCaptain Ray
Cyril ChamberlainAnderson
Patrick BarrCaptain WarnerExplore the crew
- Director
- Robert Tronson
- Writer
- Peter Barnes
- Writer
- Frank Launder
- Producer
- Leslie Gilliat
- Editor
- Thelma Connell
- Director of Photography
- Arthur Lavis