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