Poldark and Harry Potter favourites star in first look at new dark psychological drama

Poldark and Harry Potter favourites star in first look at new dark psychological drama

The cast has been announced for a new four-part mystery series on 5, under the working title The Family Secret, with Harry Potter's Matthew Lewis and Poldark's Eleanor Tomlinson in the central roles.The duo can be seen on the set of the series in a first-look image (above), as filming has begun across the North East of England. The series is set to be released in 2026.According to the psychological drama's synopsis, it will asks: "What if your p…