Guest Stars Tristan Sturrock as Zacky Martin Harry Marcus as Geoffrey Charles Pip Torrens as Cary Warleggan Richard Hope as Harris Pascoe Turlough Convery as Tom Harry James Wilby as Lord Falmouth John Hopkins as Sir Francis Basset Esme Coy as Rowella Chynoweth Will Merrick as Arthur Solway Ciara Charteris as Emma Tregirls