Guest Stars Jane Wymark as Joyce Barnaby Barry Jackson as Dr. George Bullard Kirsty Dillon as Gail Stephens Abigail Thaw as Annabel Johnson Caroline Blakiston as Hilary Compton Olivia Colman as Bernice Matilda Sturridge as Christa Palfrey Jamie Treacher as Richard Tanner Ian Targett as Steve Dove Sanchia McCormack as Jackie Tanner David Ryall as Bob Moss Emma Stansfield as Rebecca Rix Michelle Butterly as Kate Dove Margaret Tyzack as Harriet Compton Paul Bentall as Edward Palfrey Jesse Birdsall as Mike Johnson