Guest Stars Fiona Dolman as Sarah Barnaby Annette Badland as Dr. Fleur Perkins Adrian Edmondson as Hugo Welles Rachael Stirling as Eleanor Karras Caroline Quentin as Helen Welles Paul Bazely as Paul Matheson Aki Omoshaybi as Noah Adomakoh Vanessa Emme as Danni Karras Stuart Milligan as Victor Karras Georgina Rich as Alicia Matheson Greg Lockett as Joshua Kilbride Ed White as Andrew Welles