First broadcast 2nd May 1973.
Special Branch officers North and Craven are asked to protect a former Nazi collaborator.
George Sewell ... Detective Chief Inspector Alan Craven
Roger Rowland ... Detective Sergeant Bill North
John Bailey ... Yushin
Richard Marner ... Wednicki
Milos Kirek ... Embassy Official
André Morell ... Scabrienski
George Pravda ... Bershki
David Weston ... Wilson
Rita Merkelis ... Eva
Witold Schejbal
Madeleine Christie
Bernard Archard ... Ministry Official
Michael Culver ... Health Inspector
Charles Houston
Artro Morris ... Archivist
Richard Pescud
