First broadcast 6th January 1978.
The Professionals get involved after Terkoff, a Russian K.G.B. agent, introduces young Sara Seaford "accidentally" to Sir Charles Milvain, a man tipped to be the next Prime Minister, with a view to gaining secret information from him and ultimately destroying him and his government.
Gordon Jackson - George Cowley
Martin Shaw - Doyle
Lewis Collins - Bodie
Anthony Steel - Sir Charles Milvern
Walter Gotell - Sam Baker
Felicity Dean - Sara Seaford
Pamela Salem - Ann Seaford
Barry Justice - Simon Culver
Maggie Wright - Paula
Patrick Durkin - Terkoff, KGB Agent
Fredric Abbott - Big Man
Stefan Kalipha - Henry Aloysius Wences
Michael Burrell - Alan Reeves
Sally Harrison - Jo
Kenneth Watson - Det Supt Tilson
Bridget Brice - Betty, Cowley's Secretary
