Callan (1972) Charlie Says It's Goodbye (S4E7)

Callan is a British drama espionage television series, which originally aired between 1967 and 1972. It features Edward Woodward as David Callan, an agent of a state secret service dealing with internal security threats to the United Kingdom. Charlie Says It’s Goodbye (S4E7): Assigned to shadow an upper-crust economist expected to defect to Poland, Callan becomes involved with a beautiful widow who has good reason to despise intelligence agents. It features Edward Woodward, William Squire, Dennis Price, and Russell Hunter.