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