Special Branch S4, E3

Groundbreaking British police drama series following the exploits of the Special Branch of the Metropolitan Police: an elite group of officers tasked with protecting London from spies, terrorists, and subversives.

Cast:Derren Nesbitt , George Sewell , Morris Perry , Fulton Mackay , Patrick Mower , Roger Rowland , Keith Washington , Paul Eddington , Wensley Pithey , Frederick Jaeger , Sheila Scott Wilkinson , David Garth , Paul Antrim , Jennifer Wilson , Sandra Bryant , Susan Jameson , Anne Rutter , John Bailey