Guest Stars Sarah Alexander as Queen Elizabeth I Brett Goldstein as Robert Dudley Anthony Stewart Head as Admiral Horatio Nelson Jamie Demetriou as Queen's Courtier Tim Downie as Admiral Pierre-Charles Villeneuve Alexander Kirk as King George III Luke Kempner as Dr. William Beatty Beattie Edmondson as Lettice Devereux, Countess of Essex Naz Osmanoglu as Napoléon Bonaparte