OVERVIEW | NEWS | EPISODE GUIDE | NEXT EPISODE

The two-part drama, Dark Angel, from Line of Duty makers World Productions, is based on the extraordinary true story of the Victorian poisoner Mary Ann Cotton.

Travelling around the North-east, she insinuates herself into unsuspecting families, marrying and creating new families of her own - before killing them, taking their money and moving on.

Cast: Joe Nattrass - Jonas Armstrong; James Robinson - Sam Hoare; Fred Cotton - Mark Underwood; George Stott - Alun Armstrong; Mary Ann Cotton - Joanne Froggatt; George Ward - Thomas Howes; Helen Robinson - Emma Fielding; Margaret Stott - Penny Layden; Maggie Cotton - Laura Morgan;

Network: ITV (United Kingdom)
Premiered: 31.October.2016
Status: Ended