First broadcast 5th April 2010.<br /><br />Frost becomes engaged to Christine Moorehead while trying to put crime kingpin Gerry Berland behind bars and trying to unmask a copycat killer.<br /><br />David Jason - Insp. Jack Frost<br />Bruce Alexander - Supt. Mullett<br />John Lyons - D.S. Toolan<br />Arthur White - Police Collator<br />Adrian Dunbar - Gerry Berland<br />Niamh Cusack - Sally Berland<br />Phyllis Logan - Christine Moorhead<br />Simon Shepherd - Tom Viner<br />Leah Bracknell - Carolyn Viner<br />Adam James - Gregory Salmond<br />George Costigan - Allen Moorhead<br />Jaye Griffiths - Alice Parmenter<br />Fiona Glascott - Jenny Mallinger<br />Jonathan Wrather - Dafydd Mansell-Smith<br />Valentine Pelka - Sam Crague<br />Chris Overton - Sean Berland<br />Hasan Dixon - Neil Viner<br />Julia St John - Pathologist<br />Poppy Lee Friar - Sophie Moorhead<br />Stevee Davies - Joshua Moorhead<br />James McKenna - Custody Sergeant (as James Mckenna)<br />Branko Tomovic - Marek Lisowski<br />Beth Vyse - Una Callary<br />John Mark Fitzpatrick - Dermott Callary (as John Fitzpatrick)<br />Steven Alvey - Vicar<br />Robert Pickavance - Doctor<br />Ellena Stacey - Shop Assistant (as Ellena Stacy)<br />Andrew Cryer - Hospital Chaplin (as Andy Cryer)<br />Verity Henry - WPC (as Verity-May Henry)<br />Rosie Timpson - Mary Toolan<br />Matt Owens - Firefighter<br />Robert Stone - Joe 'The Arms' McCann<br />Chris Wilson - Dog Fight Ringleader<br /><br />
