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