Joanne Froggatt Reveals a Darker Side
*Warning: This episode contains spoilers for *Dark Angel.
\n\nFans of \u201cDownton Abbey\u2019s\u201d Anna Bates were likely spooked by Joanne Froggatt\u2019s character in \u201cDark Angel\u201d: the manipulative real-life serial killer Mary Ann Cotton. In this episode, MASTERPIECE Studio dissects Mary Ann\u2019s motives, and pulls back the curtain on Joanne Froggatt\u2019s darkest role to date.