Guest Stars Jack Bannon as Sam Thursday Simon Harrison as Ronnie Box James Doherty as Mr. Lee Nicholas Farrell as Sir Alexander Lermontov Imogen Daines as Mabs Portman Rob Ostlere as Donald Fischer Tamsin Newlands as Margeaux Quincannon Nicholas Boulton as John Graham-Scott Jane Lapotaire as Madame Belasco Jenny Galloway as Mrs Pat Treadle James Anderson as Fergus Brathwaite Kirstin Louie as Christina Poole Leaphia Darko as Lindsay Trench
