First broadcast 7th September 1980.<br /><br />After two hired guns have been shot following a hostage situation CI5 discovers that they rang the Apex arms factory and that Apex employee John Copeland is being blackmailed into copying plans for a new tank and handing them over to a group of East German agents.<br /><br />Gordon Jackson - George Cowley<br />Martin Shaw - Doyle<br />Lewis Collins - Bodie<br />Michael Craig - Guthrie<br />Ronald Hines - Copeland<br />Lynda La Plante - Viv Copeland (as Lynda Marchal)<br />Ian Redford - Lucas<br />Alun Lewis - McCabe<br />Oona Kirsch - Sandy Copeland<br />Kate Dorning - Nancy<br />John Michael McCarthy - Insp. Grainger<br />Nigel Humphreys - Joe<br />Stewart Harwood - Sam<br />Gennie Nevinson - Eva<br />Sean Chapman - Coleman<br />Alan Igbon - Angadi<br />Christopher Saul - Male Hostage<br />Jennifer Granville - Female Hostage<br />Becci Hunt - Child<br />John Joyce - Langton<br />Hilary Crane - Miss Kendall<br />Sue Nicholls - Mrs. Derinda Forbes<br />Charles Pemberton - Styles<br />Patricia Marks - Landlady<br />Eddie Powell - Driver
