Guest Stars Jessica Henwick as Chloe Ilson Siân Brooke as Jennie Brightway John Light as Felix Garwood Andrea Lowe as Philippa Garwood Rosie Cavaliero as Karen Newman Clive Merrison as Simon Flaxmore Jason Done as Paul Brightway Michael Ryan as Harrison Sax Kitty Rich as Tabby Brightway Ian East as Richard Vanbrooke Jenny Howe as Moira