Guest Stars David Warner as Donald Lockston Mali Harries as Sarah Alderwood Zoe Tapper as Elizabeth Capstone Tosin Cole as Djimon Adomakoh Ian Puleston-Davies as Frank Guitteau Peter de Jersey as Andrew Dimmock Lynda Rooke as Joyce Guitteau Oliver Lansley as David Capstone Emerald O'Hanrahan as Kate McMurdoch Tristam Summers as Adam Capstone Uncredited Claude Earl Jones as Lawyer Charlotte Mellish as Oxford Student / Cafe Waitress
