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