First broadcast 13th/14th August 2006.
Harry and Nikki deal with the case of a young woman who is found dead in an animal shelter.
Jemima Rooper - Claire Ashen
William Gaminara - Leo Dalton
Nicholas Jones - Dr. Harvey Wilson
Paul Panting - DCI Bob Mumford
Tom Ward - Dr. Harry Cunningham
Emilia Fox - Nikki Alexander
Jonny Phillips - Simon Traynor
Pete Ashmore - D.I. Merson
Nicholas Le Prevost - Professor Lionel Clune
Kate Lynn Evans - Sylvia Clune (as Kate Lynn-Evans)
Brian Cowan - Michael Finch
Lynsey Beauchamp - Valerie Finch
Ella Jones - Justine Finch
Emma Shaw - Amelia Brown
David de Keyser - Sir Peter Greenfield
Jonathan Guy Lewis - Interrogator
Dido Miles - Lydia Carpenter
Andrew Havill - Alan Garnett
Mark Weller - PC Fraser Caine
Caroline Lord - Receptionist
Damien Goodwin - Roger Hewitt
Joseph Mawle - Adrian Burney
Antonia Campbell-Hughes - Fenella Lee
Sam Spruell - Robbie Sharpe
Carrie Davies - Madelaine Fischer
Chris Wilson - Police Officer