Guest Stars Joanna Bobin as Lady Cowper Kathryn Drysdale as Genevieve Delacroix Jessica Madsen as Cressida Cowper Hugh Sachs as Brimsley Joanne Henry as Judgy Mama Ruby Stokes as Francesca Bridgerton Bert Seymour as Lord Fife Melissa Advani as Lady Eaton Lorn MacDonald as Albion Finch Caleb Obediah as Lord Cho Gabrielle Oke as Miss Cordelia Patridge Ian Keir Attard as Nelson James Matthews as Danbury Footman Esme Coy as Miss Goring Kaja Chan as Miss Weston Bailey Patrick as Mr. Harris Lucinda Raikes as Mrs. Finch Al Nedjari as Lord-in-waiting Robert Wilfort as Mr. Finch Jessie Baek as Miss Hallewell Priya Kansara as Miss Eaton Kush Mukerji as Delivery Boy George Wigzell as Chatty Footman Louis Cunningham as Lord Corning Tom Milligan as Lord Stanley Olivia Barrowclough as Lady Abigail Evans Jack Murphy as Dance Master Ben Prout as Marquis of Ashdown Hannah Donelon as Miss Clifton Choy-Ling Man as Sharp Mama