Guest Stars Richard Cunningham as Lord Bute Neil Edmond as Earl Harcourt Peyvand Sadeghian as Coral Tunji Kasim as Adolphus Cyril Nri as Lord Danbury Jack Michael Stacey as Prince Edward Seamus Dillane as Prince William Ryan Gage as Prince Regent Eliza Capel as Princess Sophia Joshua Riley as Prince Adolphus Sabina Arthur as Princess Elizabeth Sophie Arthur as Seamstress Rob Maloney as Royal Doctor