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