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