Guest Stars James McKenna as Sgt. Don Brady David McKail as Dr. Mackenzie David Gooderson as Derek Simpkins, Pathologist Billy Riddoch as Hammond Robert Glenister as DS Terrence Reid Donald Sumpter as Mr. Maynard Beatie Edney as Sheila Hadley Sophie Stanton as Cathy Thompson Stuart Bowman as Kenny Russell Sean Blowers as Sgt. Alan Hadley Robert Horwell as DC Chandler Gary Powell as George Starkey Leagh Conwell as Robbie Thompson Danielle Lydon as WPC Tracy Miller Sarah Kirkman as DC Giles Michael McKell as Jack Flynn Helen Masters as Eileen Cleary Simon Meacock as Gary Tinley