Guest Stars Jane Wymark as Joyce Barnaby Barry Jackson as Dr. George Bullard Kirsty Dillon as Gail Stephens Jenny Agutter as Lady Isobel Chettham Rik Mayall as David Roper Julian Wadham as Sir William Chettham Barbara Jefford as Elizabeth Chettham Amanda Ryan as Martha Filby Jane Booker as Janet Lovell Monica Gibb as Mrs. Painter Nathalie Cox as Tallis Filby Oliver Le Sueur as Rupert Paul Shelley as CC Richard Lovell Nickolas Grace as Hugo Greening George Costigan as Jack Filby Angela Down as Dr. Sylvia Goring Oliver Kieran-Jones as Freddy Chettham