Guest Stars Tim Delap as Martin Ashford Anthony Flanagan as Tom Jenkins Hugh Sachs as Henry Styles Kenneth Colley as Brian Jones Rupert Young as Armed Guard Philip Franks as Captain Halliday Roy Marsden as Ted Cartwright Robert McIntosh as Home Guard Ben Meyjes as Simon Higgins Andrew Alston as Dr. Brindley Claire Cox as Elsie Jenkins Gawn Grainger as DCS Fielding Peter Sandys-Clarke as Mark Wilcox Tom Harper as Leonard Cartwright