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,
Neville Smith (actor) wrote his first screenplay, "The Golden Vision", for the BBC TV series "The Wednesday Play". In the following years he appeared in episodes of "Cluff", "Z-Cars", "Thirty-Minute Theatre", "Softly Softly", "Her Majesty's Pleasure" and "The Wednesday Play". In 1971 the film "Gumshoe", based on Smith's novel of the same title, was the first major film-directlng assignment for Stephen Frears. Smith also played a small role in the film, as Arthur, a character whom Eddie Ginley ( played by Albert Finney) consults about the gun before entering L:iverpool Docks. In 1977 Smith wrote the screenplay for "Apaches", a short public information