Guest Stars Paul Copley as Mr. Mason Jeremy Swift as Spratt Howard Ward as Sergeant Willis Michael Fox as Andrew "Andy" Parker Sue Johnston as Gladys Denker Rade Serbedzija as Prince Igor Kuragin Matt Barber as Atticus Aldridge Catherine Steadman as Mabel Lane Fox James Faulkner as Daniel Aldridge, Lord Sinderby Peter Egan as Hugh 'Shrimpie' MacClare, Marquess of Flintshire Penny Downie as Rachel Aldridge, Lady Sinderby Louis Hilyer as Inspector Vyner Sarah Crowden as Lady Manville Phoebe Nicholls as Susan MacClare, Marchioness of Flintshire Sophie Cosson as Prostitute Dean Ashton as Mr. Evans Darren Machin as Basil Shute James Phelips as Waiter Uncredited Fifi Hart as Sybbie Branson Alexander Cooper as Rules Waiter Nathan Webb as Lieutenant NRV Maya Lindh as Lady Annabelle MacClare Ethan Chapples as Atticus' Brother Roman Green as Great War Veteran Jefferson King as Detective James Francis Andrews as Wedding Guest Hugh O'Brien as Policeman