Guest Stars Nicholas Jones as Philip Hathaway Sally Scott as Nell Hathaway David Warner as Donald Lockston Zoe Tapper as Elizabeth Capstone Mali Harries as Sarah Alderwood Tosin Cole as Djimon Adomakoh Ian Puleston-Davies as Frank Guitteau Peter de Jersey as Andrew Dimmock Oliver Lansley as David Capstone Lynda Rooke as Joyce Guitteau Emerald O'Hanrahan as Kate McMurdoch Uncredited Janette Sharpe as Police Officer
