Dark Angel

This one-night drama tells the extraordinary true story of Victorian poisoner Mary Ann Cotton, played by Golden Globe winner and Emmy award nominee Joanne Froggatt (Downton Abbey).

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Funding for MASTERPIECE is provided by Viking and Raymond James with additional support from public television viewers and contributors to The MASTERPIECE Trust, created to help ensure the series’ future.

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What is Dark Angel?


Joanne Froggatt on Dark Angel.

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Anna Bates vs. Mary Ann Cotton


Joanne Froggatt on

Joanne Froggatt on Mary Ann Cotton


Actress Joanne Froggatt explores the story of serial killer Mary Ann Cotton.