Guest Stars Joanna Bobin as Lady Cowper Hugh Sachs as Brimsley Jessica Madsen as Cressida Cowper Kathryn Drysdale as Genevieve Delacroix Joanne Henry as Judgy Mama Ruby Stokes as Francesca Bridgerton Lorn MacDonald as Albion Finch Bert Seymour as Lord Fife Caleb Obediah as Lord Cho Esme Coy as Miss Goring Melissa Advani as Lady Eaton Jessie Baek as Miss Hallewell Al Nedjari as Lord-in-waiting Ian Keir Attard as Nelson James Matthews as Danbury Footman Gabrielle Oke as Miss Cordelia Patridge Kaja Chan as Miss Weston Lucinda Raikes as Mrs. Finch Bailey Patrick as Mr. Harris Priya Kansara as Miss Eaton Robert Wilfort as Mr. Finch 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