First broadcast 2nd March 1997.br br All families have secrets, but perhaps none so shocking as that which Frost unearths when he investigates the brutal murder of Peter Lawson.br br br David Jason - D.I. Frostbr Matt Bardock - D.S. Barnardbr Bruce Alexander - Supt. Mullettbr John Lyons - D.S. Toolanbr Isla Blair - Rosalie Martinbr Mark Lambert - Peter Lawsonbr Miranda Pleasence - W.P.C. Holland (as Miranda Pleasance)br James McKenna - Sgt. Bradybr Nigel Harrison - D.C.I. Petersbr Jean Heywood - Olivebr Charles Simon - Harrybr Anthony Bate - Charlie Lawsonbr Luisa Bradshaw-White - Joanna Lawsonbr Edward Purver - Matthew Lawsonbr Laura Crossley - Rachel Lawsonbr Ashlie Walker - Suzanne Lawsonbr Diana Payan - Eva Lawsonbr Diane Keen - Janetbr Dave Fishley - Matthew's Workmatebr Dean Harris - Terry Wilsonbr Jean Rimmer - Dr.