Guest Stars Terence Harvey as Peter Hart Craig Kelly as Ian Wheater Melee Hutton as W.P.C. Steven Sherwood as David Roger Watkins as Clive Patrick Bailey as Ray Klein Oliver Haden as Alan Graham Joanne Thirsk as Dawn Thomas Hudson as Firearms Dealer Sandy Hendrickse as Jean Graham Sally George as Maggie Peggy Shields as Enid Lucas Darrell Champness as Lenny James Blackwell as P.C. Panda Driver Liza Walker as Kathy Hart Marilyn Le Conte as Police Surgeon James Ottaway as Ron Lucas Daniel Green as Gun Buyer Toby Longworth as PC in Hospital