Guest Stars David Yelland as George Sarah Parish as Flossie Monro Jack Farthing as Gerald Paynter Patricia Hodge as Régine Olivier Nicholas Burns as Insp. Meadows Tom Brooke as Lawrence Boswell Tysoe Steven Pacey as Stephen Paynter Michael Culkin as Dr. Ivan Savaranoff Simon Lowe as Dr. Quentin Ian Hallard as Mercutio Lou Broadbent as Mabel Palmer Teresa Banham as Diana Paynter Nicholas Day as John Ingles James Carroll Jordan as Abe Ryland Alex Palmer as Robert Grant Barbara Kirby as Betsy Andrews Peter Symonds as Jonathan Whalley