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,
George Sweeney (actor) George Sweeney (actor) George Sweeney is a British film and television actor who commenced his acting career in the 1970s. Sweeney has numerous television credits, including "Z-Cars" (1971), "Rumpole of the Bailey" (1975), "Dixon of Dock Green" (1976), "" (1971–76), "The New Avengers" (1976), "The Sweeney" (appeared in the episodes "Taste of Fear" and "On the Run" in 1976), "Return of the Saint" (1978), "Spearhead" (1978–79), "Citizen Smith" as 'Speed' (1977–80), Fairground, (1982) "Remington Steele" (1985), "Matlock" (1987), "Jack the Ripper" (1988) as John Netley, "Minder" (1980–93), "Pie in the Sky" (1995), "The Brittas Empire" (1996), "The Bill" (1992-2006) and