Z-Cars further spin-off entitled "Second Verdict" in which Barlow and Watt looked into unsolved cases and unsafe convictions. Frank Windsor made a final appearance as Watt in the last episode of "Z-Cars", "Pressure", in September 1978, with Robins (John Phillips), the Detective Chief Superintendent from the original series who had risen to chief constable. Jeremy Kemp, Brian Blessed, Joseph Brady and Colin Welland also appeared, though not as their original characters. "Z-Cars" is incomplete in the archives. The period 1962–65 is reasonably well represented; though with big gaps. With the 1967–71 sixth series, when the programme was shown almost every week,
Tom Owen (actor) 'Freewheelers' of which he made fifty two episodes. Numerous television series followed including 'Tottering Towers', 'Wreckers at Deadeye', 'Horse in the House', 'The Piglet Files'. In 1969 Owen played Farley, in 'Goodbye, Mr. Chips' a role first played by John Mills in the original version. He has appeared in many television shows including 'The Hello Goodbye Man', 'Z Cars', 'Upstairs Downstairs', 'The Bill', 'Minder' and 'Our Mutual Friend'. He has worked extensively in one, two and three weekly repertory both as an actor and director. He was a member of the Royal Shakespeare Company playing on Broadway in their production