Guest Stars James McKenna as Sgt. Don Brady David McKail as Dr. Mackenzie David Gooderson as Derek Simpkins, Pathologist Robert Glenister as DS Terrence Reid Joanne Froggatt as Anne Dermot Crowley as Dr. Bennet David Horovitch as Jameson Colin Farrell as Lawrence Dale Brewer Bill Fellows as James Ingram Chris Gascoyne as Dr. Bill Hughes Sophie Thursfield as Louise Ingram Michael Moreland as PC Prentice Frank Kovacs as Dr. Retnik Clive Hayward as Paul Hobday Heidi Monsen as Mrs. Stevenson Arkie Whiteley as Dr. Helena Gibson