First broadcast 3rd/4th January 2011.<br /><br />Pathologists investigate three deaths in one night in the same ward and suspect hospital staff of their murder.<br /><br />Emilia Fox - Dr. Nikki Alexander<br />William Gaminara - Professor Leo Dalton<br />Tom Ward - Dr. Harry Cunningham<br />Adrianna Bertola - 8 Year Old Girl<br />Roy Marsden - Prof Nigel Silverlake<br />Michael Shaeffer - Jason Bodle<br />Arsher Ali - Zak Khan<br />Sinéad Keenan - Naomi Silverlake (as Sinead Keenan)<br />Ysobel Gonzalez - Gemma McFea<br />You-Ri Yamanaka - Ying McCoy<br />Kelly Harrison - D.C. Julia Catina<br />Mark Lewis Jones - D.I. Frank Skipper<br />Michele Austin - Cherie Maskell<br />Clive Hayward - D.I. Niall Gaunt<br />Sorcha Cusack - Miranda Silverlake<br />David Acton - Judge<br />David Lyddon - Patient<br />Carlyss Peer - Shop Assistant<br />Kemal Sylvester - Security Guard<br />Jack Pierce - Police Officer<br />Mark Dexter - Mr. Alex Leith<br />Tania Rodrigues - Administrator<br />Jacquetta May - Dr. Stephanie Banks<br />Vilma Hollingbery - Elderly Volunteer<br />Tom Kanji - Pharmacologist
