S3E6 "Without Prejudice". Colour version. Fascinating political drama series with a splendid cast. Businessman and politician sir John Wilder, after becoming ambassador and special envoy for special situations and trade, pursues his tangled schemes, despite many adversaries (the original name of the series was "Special Envoy''). This is series 3 of this sequel to "The Plane Makers". Starring Patrick Wymark, Barbara Murray, Michael Jayston, Clifford Evans, Peter Barkworth, Donald Burton, David Savile, Richard Hurndall, Jack Watling, Deborah Grant, Barrie Ingham. Written by Peter Draper, Wilfred Greatorex.