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 Penny Downie as Rachel Aldridge, Lady Sinderby Peter Egan as Hugh 'Shrimpie' MacClare, Marquess of Flintshire 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 James Phelips as Waiter Darren Machin as Basil Shute Uncredited Fifi Hart as Sybbie Branson Hugh O'Brien as Policeman James Francis Andrews as Wedding Guest Jefferson King as Detective Roman Green as Great War Veteran Ethan Chapples as Atticus' Brother Maya Lindh as Lady Annabelle MacClare Nathan Webb as Lieutenant NRV Alexander Cooper as Rules Waiter