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,
James Marcus (actor) comedy, "The Virgin Soldiers". In 1970, Kubrick got in touch with the young actor for an audition for his upcoming project, an adaptation of Anthony Burgess' novel A Clockwork Orange. Apart from his fight scenes, Kubrick was also impressed by James's dark demeanour and this won him the role. During filming, Kubrick described James as "very professional". His other TV appearances include "UFO", "", "The Sweeney", "Doctor Who", "Z-Cars" and "The Professionals". He also appeared in the Robin Askwith vehicle "Let's Get Laid" (1977) with John Clive, another "Clockwork Orange" actor. He also starred in "The Naked Civil Servant" (1975)