Guest Stars Fiona Dolman as Sarah Barnaby Tamzin Malleson as Dr. Kate Wilding Clare Calbraith as Catrina Harper Maureen Lipman as Margaret "Mags" Dormer Ace Bhatti as Harry Dutta Harry Hadden-Paton as Lawrence Janson Jay Taylor as Peter Groves Barnaby Kay as Adrian Sharp Kenny Ireland as George Dormer Charles Daish as Jack Clough Soraya Radford as Gagan Dutta Tim Wallers as Jeremy Harper Kelly Price as Tanya Walker Uncredited Shaun Lucas as Torch Bearer
