Callan (1969) Lets Kill Everybody (S2E5)

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. Let’s Kill Everybody (S2E5): The Section is put on high alert when it is discovered that it has been targeted by an unknown party and that everyone from Hunter down is at risk of assassination. It features Edward Woodward, Michael Goodliffe, Anthony Valentine, and Russell Hunter.