Callan (1970) Suddenly - at Home (S3E5)

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. Suddenly - at Home (S3E5): Lady Janet Lewis, the beautiful widow of an ex-foreign secretary, accepts a TV producer’s lucrative offer for an interview about her husband. Suspicious of the producer’s intentions, Hunter assigns Callan to stop her, but the assignment gets personal. It features Edward Woodward, William Squire, Patrick Mower, Zena Walker, Tony Beckley, and Russell Hunter.