John Bowler Chief Superintendent Coulson Actor Chris Overton PC Eddie Coulson Actor John Light Chief Inspector Roger Nelson Actor Charles De'Ath Sgt Sidney Fenton Actor Jennie Jacques WPC Gina Dawson Actor Gerard Horan Desk Sgt Peter Pratt Actor Kieran Bew DI Jack Burns Actor Tom McLarney Sam Pratt Actor Daniel Ormerod Johnny Harris Actor Nick Cavaliere Salvatore Angeletti Actor Marianne Oldham Deborah Burns Actor Jonty Stephens Joe Dawson Actor Philip Hill-Pearson Frank Marshall Actor Kathryn Hunt Brenda Dawson Actor Justine Cain Cathy Sinclair Actor Niall Fraser Director Dominique Moloney Writer Ray Brooking Writer