First broadcast 15th December 1979.<br /><br />Cowley appears to have stolen two canisters of a new nerve gas and is recorded trying to sell them to German Otto Hahn.<br /><br />Gordon Jackson - George Cowley<br />Martin Shaw - Doyle<br />Lewis Collins - Bodie<br />David de Keyser - Otto Hahn<br />Glynn Edwards - Alfred Cole<br />Ina Skriver - Jutta (as Christina World)<br />John Savident - Robert Plumb<br />Dennis Burgess - Dr. Forbes<br />Tony Scannell - Man 1<br />James Lister - Karl<br />Kenneth Owens - Groves<br />Will Stampe - Ted<br />Frank Ellis - Man 2<br />Michael Ryan - Wilf (as Ryan Michael)<br />Pat Gorman - CI5 Agent
