Guest Stars Jamie Sives as Karl Mortensen Karl Johnson as James de Cadenet Nina Wadia as Dr Anita Rhys Evans Thea Barrett as Polly Chizzy Akudolu as Addy Smith "The Squeak" Eileen Davies as Julia de Cadenet Isabelle Mullally as Annie Risteard Cooper as Si Robertson Henry Helm as Josh Ariyon Bakare as Dougie Thompson Grace Calder as Savannah Adrian Hood as Kenneth Baines Madeleine Demetriou as Abigail Robertson Stephen McCole as Johnny Hapgood Delainey Hayles as Billie
