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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.
Keywords
Cast
Full credits →B
Bernard Lee
Henry Houghton
W
William Sylvester
Gordon Lonsdale
M
Margaret Tyzack
Elizabeth Gee
D
David Kossoff
Peter Kroger
N
Nancy Nevinson
Helen Kroger
T
Thorley Walters
Cmdr. Winters
G
Gillian Lewis
Marjorie Shaw
N
Newton Blick
P.O. Meadows
P
Philip Latham
Captain Ray
C
Cyril Chamberlain
Anderson
J
Justine Lord
Christina
P
Patrick Barr
Captain Warner
D
Derek Francis
Chief Supt. Croft
H
Hector Ross
Supt. Woods
P
Paul Eddington
Johnnie (uncredited)
R
Richard Marner
Colonel Monat (uncredited)
G
Geoffrey Palmer
Police Officer (uncredited)
B
Bryan Pringle
Surveillance Man (uncredited)
A
Andre Mikhelson
Russian Embassy Official (uncredited)
G
Garry Marsh
First Member at Lords (uncredited)
