The six-part series dramatises the real-life case from 1985 where Sheila Caffell, her 6-year-old twins and parents were all murdered at an Essex farmhouse.
While investigators initially suspected Sheila was responsible for a murder-suicide because of a history of mental health problems, her brother Jeremy Bamber was ultimately arrested and convicted of the crime. Bamber is currently serving a life sentence for the crimes, but maintains his innocence.
In White House Farm, Watership Down's Freddie Fox will portray Jeremy Bamber while Stephen Graham has been cast as the detective who helped bring him down.
The series will be a Game of Thrones reunion of sorts, with Mark Addy (King Robert Baratheon), Gemma Whelan (Yara Greyjoy), Alfie Allen (Theon Greyjoy) and Mark Stanley (Grenn) all having major roles.
Writer Kris Mrksa (Requiem) said: "This is an incredibly compelling true-crime story, but it's the human dimension of these events that gripped my imagination, particularly after reading Colin Caffell's book.
"So much discussion of the case has focussed on contested legal details, but I wanted to tell this story in a way that did justice to the devastating emotional truth of what happened."
White House Farm will be premiering on ITV in early 2020.
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