Guest Stars Joanna Bobin as Lady Cowper Jessica Madsen as Cressida Cowper Hugh Sachs as Brimsley Kathryn Drysdale as Genevieve Delacroix Geraldine Alexander as Mrs. Wilson Molly McGlynn as Maid Rose Simon Ludders as Humboldt Ray MacAllan as Hastings Driver Jamie Beamish as Nigel Berbrooke Jordan Alexandra as Courtesan 1 Caroline Quentin as Lady Berbrooke Letty Thomas as Laundry Maid Richard Pepple as Duke of Hastings Georgia Burnell as Celia Lucas Booth-Clibborn as 11-Year Old Simon Lynette Clarke as Simon's Nurse Oscar Coleman as 4-Year Old Simon Daphne Di Cinto as Duchess of Hastings Hamish MacDougall as Hastings Footman Joseph Akubeze as Royal Footman Cairo Eusebe as 6-Year Old Simon Celine Abrahams as Midwife Paul Herzberg as Man 1 Amerjit Deu as Doctor
