Guest Stars Fiona Dolman as Sarah Barnaby Tamzin Malleson as Dr. Kate Wilding Tom Rhys Harries as Ryan Carnarvon Naoko Mori as Nadia Simons Ruth Gemmell as Diana Carnarvon Sabrina Bartlett as Tina Tyler Mark Bonnar as William Carnarvon Claire Bloom as Matilda Stowe Lloyd Owen as Louis Paynton Rosie Cavaliero as Judy Tyler Max Bennett as Kevin Paynton Jaye Jacobs as PC Carolyn Florrie Selina Griffiths as Elspeth Rice Wayne Foskett as Roger Tyler Amalia Vitale as Ida Romano