Guest Stars Anne Rutter as Det. Const. Jane Simpson Mona Hammond as Veronica Williams James Marcus as L.A.C. Higgs Georgina Hale as Lisa Hugh Futcher as Cotterill John Woodnutt as Major Carter Kevin Stoney as Drysdale Alister Williamson as Det. Sgt. Miller Dermot Tuohy as Costello Ray Barron as Banks Ken Haward as Porter Richard Simpson as Group Captain