First broadcast 31st January/1st February 2013.<br /><br />The body of young Colin Connor is found in an attic at a former hospital now marked for residential development.<br /><br />Emilia Fox - Dr. Nikki Alexander<br />William Gaminara - Professor Leo Dalton<br />David Caves - Jack Hodgson<br />Josef Altin - Colin Connor<br />David Westhead - DI Bob Cherry<br />Mark Womack - Tom Hancock<br />Pasha Bocarie - Dr. Sanjeev Jumani<br />Syreeta Kumar - Duty Nurse<br />Jake Arrowsmith - Peter Hancock<br />Velile Tshabalala - Kristen<br />Paul Bridle - Tactical Support Leader<br />Scott Lane - Armed Officer<br />Liz Carr - Clarissa Mullery<br />Anna Jaskolka - Agency Nurse<br />Richard Johnson - Sir William Embleton<br />Adie Allen - Stella Hancock<br />Wayne Foskett - Brian Blackburn<br />James Burrows - Derren Blackburn<br />Cal MacAninch - David Loader<br />Kevin McGowan - Company Commander<br />Tim Preece - George Ryder<br />Teresa Banham - Alison Ryder<br />Ed Stoppard - James Embleton<br />Nicola Goodchild - Jennifer Larsen
