Guest Stars Jack Greenlees as Sam Barclay Natasha O'Keeffe as Charlotte Campbell Christina Cole as Izzy Chiswell Samuel Oatley as DI George Layborn Sophie Winkleman as Kinvara Chiswell Nick Blood as Jimmy Knight Adam Long as Raff Chiswell Ann Akin as DS Vanessa Ekwensi Robert Pugh as Geraint Winn Sophie Colquhoun as Sarah Shadlock Joseph Quinn as Billy Knight Silas Carson as Henry Drummond Mandana Jones as Dr. Kamila Muhammad Lucy Briers as DCI Judy McMurran Florence Bell as Tegan Barlow Ken Christiansen as Maître D' at Franco's Stuart Wilde as Waiter at Franco's Alex Rendell as Police Interviewer
