First broadcast 30th31st January 2014.br br The body of teenager Katie Bowman is found dumped in an open grave.br br Emilia Fox - Dr. Nikki Alexanderbr David Caves - Jack Hodgsonbr Richard Lintern - Dr. Thomas Chamberlainbr Kirsty Besterman - Amy Nashbr Philip Brook - Vicarbr Clare Calbraith - Lizzie Kennedybr Liz Carr - Clarissa Mullerybr Teresa Churcher - Gemma Bowmanbr Liam Garrigan - Dr.