Guest Stars Fiona Dolman as Sarah Barnaby Annette Badland as Dr. Fleur Perkins Isabel Shaw as Betty Barnaby Nicola Stephenson as Izzy Silvermane Aneurin Barnard as Freddie Lamb Chelsea Mather as Chelsea Bronagh Waugh as Blaise McQuinn Miles Jupp as Cornelius Tetbury Eleanor Fanyinka as Jade-Marie Pierce Vincent Franklin as Artie Blythe John Stahl as Damian Lint Nitin Ganatra as Ned Skye Krupa Pattani as Simone Skye Andrew Brooke as Lex Bedford Paul Hunter as Gert Michaels Morgan Watkins as Griffin Twigg Lloyd Everitt as Harper Kaplan
