WARNING: This episode contains spoilers for Episode 1 of The Marlow Murder Club. Actor Samantha Bond plays the inquisitive Judith Potts, who isn’t your average sleuth. When she isn’t writing her latest crossword or enjoying a travel sweet, retired archaeologist Judith can be found wild swimming in the Thames. Today, we talk with Samantha about playing the lead character of The Marlow Murder Club. Samantha also shares fond memories of her Downton Abbey co-star and friend, the late Maggie Smith.