*Warning: This episode contains spoilers for Episode Six of Season Three of *Poldark

Caroline Blakiston’s Aunt Agatha Poldark has been a secret triumph throughout these three seasons of Poldark, lurking by the Trenwith fire while reading her tarot cards and peering into the Cornish future. After a particularly dramatic episode, Blakiston joins us to talk costumes, character development and how Harrison Ford helped calm her nerves in her famous *Star Wars *performance.