Callan (1972) ★ First Refusal (S4E3)

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. First Refusal (S4E3): When a third-party broker offers to sell the names of British agents in Eastern Europe for £100,000. Callan suspects a leak in London and races to find it before the broker’s proposal expires. It features Edward Woodward, Geoffrey Chater, Patrick Mower, Anthony Valentine, and Russell Hunter.