First broadcast 27th December 1980.
Colonel Sangster and his gang are smuggling art treasures and industrial secrets out of the country and selling them on to foreign powers.
Gordon Jackson - George Cowley
Martin Shaw - Doyle
Lewis Collins - Bodie
Moray Watson - Jeremy Sangster
Jonathan Newth - James Tibbs
Prunella Gee - Sarah Gresham
Neil McCarthy - Sam Armitage
Anthony May - Snapper Ullmann
Antony Carrick - Ralston
Dennis Burgess - Galbraith
Jo Rowbottom - Betty Marlow
William Moore - Gillespie
Andrew Hilton - Ebert
Peter Rutherford - Perce Wilmot
James House - Works Manager
Roger Martin - George Gorton
Charmian May - Miss Piper
Stephen Churchett - Supervisor
Hugh Morton - Smithson
Noreen Leighton - Receptionist
John Cannon - Huey
Victor Gallucci - Man in Van
