

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.
Director
Robert Tronson
Writers
Peter Barnes, Frank Launder
Release Date
March 23, 1964
Runtime
1h 30m
Status
Released
Original Language
en
Vote Count
12
British Lion Films