Guest Stars Joanna Bobin as Lady Cowper Kathryn Drysdale as Genevieve Delacroix Jessica Madsen as Cressida Cowper Hugh Sachs as Brimsley Emma Naomi as Alice Mondrich Dominic Coleman as Lord Cowper Caleb Obediah as Lord Cho Sarah Junillon as Eloise's Maid Emily Barber as Tessa Thomas Flynn as Rupert Norton Sam Frenchum as Mr Thomas Dorset Louis Gaunt as Lord Lumley Grace Stotesbury as Kate's Maid Anthony Stewart Head as Lord Sheffield Rupert Vansittart as Mr. Brookes Richard Stirling as Butler Sherise Blackman as Bluestocking Lady Stephen Patten as Working Class Man Steph Lacey as On-Stage Speaker Shobu Kapoor as Lady Sheffield Matthew Carter as Serious Man