Joanne Froggatt Reveals a Darker Side

Published: May 22, 2017, 1 a.m.

*Warning: This episode contains spoilers for *Dark Angel.

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Fans 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.