First broadcast 21st February 1996.
Forensic pathologist Dr. Sam Ryan returns to Cambridge to take up a teaching assignment and to work for the police as required.
Lesley Dunlop - Marion Wallace
Jelena Budimir - Prisoner 1
Carl Hillsden - Michael Wallace
Sophie Manning - Sarah Crew
Adam Ratcliffe - Dean Crew
Amanda Burton - Sam Ryan
William Armstrong - Trevor Stewart
Alec Linstead - Professor Jenkins
Barney Craig - Gary Phillips
Kelly Hunter - Ronnie Crew
Roger Llewellyn - Priest
Renata Heinen - Waitress
Rebecca Craig - Jenny Stewart
Janice Acquah - Marcia Evans
John McGlynn - Tom Adams
Ruth Gemmell - Kerry Cox
Clare Higgins - D.S. Farmer
Tom Chadbon - P.C. Coleman
Milo Twomey - P.C. North
Sam Parks - Fred Dale
Pat Keen - Mrs. Phillips
Ruth McCabe - Wyn Ryan
Doreen Hepburn - Beryl Ryan
Matthew Steer - Ricky Ryan
Maryann Turner - Jean
Charon Bourke - Prisoner 2
Peter Geddis - Ken
Peter Whitbread - Coroner
Oliver Montgomery - Solicitor
Mark Chapman - Forensic Officer
Jeremy Paxman - Self (archive footage)
John Westwood - Forensic Officer
