Richard Standeven Director Fiona Shaw Frances O'Neil Actor Finbar Lynch DCI Chris Medwynter Actor Colin Salmon DCI Ricky Grover Actor Sara Kestelman Dr. Davina Ward Actor Graham Turner Martin Savage Actor Crispin Bonham-Carter DC Terry Beale Actor Ian Targett DC Roger Ball Actor Geoffrey Church DC Matt Begg Actor Tanya Ronder DC Samantha Western Actor Lynda La Plante Producer, Writer Peter Richardson Producer