Rupert Vansittart (Mr Hurst) & Joanna David (Mrs. Gardiner) also worked together on episode 3.8 Rue Morgue (2014) of Death in Paradise (2011) as Colin Campbell & Judith Musgrove respectively.
Adrian Lukis (George Wickham) and David Bamber (Mr Collins) also worked together in episode 4.3 Damned If You Do... (2015) of Death in Paradise (2011) as Francis Davison and Alan Butler respectively.
The white polka dot dress with ornate floral pattern on the bodice that Julia Sawalha (Lydia Bennet) wears while observing Wickham horse riding is the same costume Ruby Bentall (Mary Bennet) wears to the Meryton Assembly Ball in Lost in Austen (2008), and Dagmara Dominczyk (Mercedès Iguanada) wears at the office of Monsieur Villefort in The Count of Monte Cristo (2002).