starring
Bernard Lee , William Sylvester Margaret Tyzack , David Kossoff
In this real-life tale of espionage, based on the famous Portland spy case, Harry Houghton and Elizabeth Gee are recruited into the spy network controlled by Gordon Lonsdale , and secrets of the Royal Navy's Underwater Weapons Establishment are soon on their way to Russia.
Director ROBERT TRONSON Films: page 17