Guest Stars Fiona Dolman as Sarah Barnaby Annette Badland as Dr. Fleur Perkins Isabel Shaw as Betty Barnaby Rosalie Craig as Carys Nicholson Clare Holman as Fiona Beauvoisin Joanna Page as Holly Ackroyd Rohan Nedd as Finn Wokoma Thomas Dominique as Wesley Peters Karl Collins as Samuel Wokoma Ami Okumura Jones as Erin Turner Roger Barclay as Alexander Beauvoisin Eleanor Bron as Maxine Dobson Katy Brand as Jemima Starling
