Guest Stars Joanna Bobin as Lady Cowper Jessica Madsen as Cressida Cowper Hugh Sachs as Brimsley Kathryn Drysdale as Genevieve Delacroix Molly McGlynn as Maid Rose Jason Barnett as Jeffries Julian Ovenden as Sir Henry Granville Ray MacAllan as Hastings Driver Freddie Stroma as Prince Friedrich Anand Desai-Barochia as Lord Hardy Paul Hunter as Lord Middlethorpe Tosh Wanogho-Maud as Suitor George Kemp as Lord Weaver Nicholas Shaw as Lord Thompson Phil Snowden as Stage Manager
