It will tell the true story of Delia Balmer (Martin), who survived a nearly fatal relationship with serial killer John Sweeney (Evans).
The four-part series is based on Delia Balmer’s memoir, Living with a Serial Killer, which writer Nick Stevens has adapted.
As reported by the Radio Times, the official synopsis for the four-parter reads: “In 1991, Delia leads an itinerant and solitary life in London working as an agency nurse. When she meets fellow free-spirit John Sweeney in a local pub, it seems like the connection she has been searching for.
“As the relationship develops, Sweeney’s artistic, anti-establishment persona gives way to a darker side, culminating in a series of violent attacks on Delia, during which he tells her he killed his former girlfriend and disposed of her body in an Amsterdam canal.”
Discussing with ITV in a press pack for the series if she met with Delia before filming, Martin shared: “No, I’ve played quite a few real people and I have never met them before. I don’t choose to do that, that’s how I work.
“Our writer, Nick [Stevens], filmed a lot of footage of his meetings with Delia, which I had access to. I did meet her very briefly during filming, but only because she wanted to visit the set, and of course I was respectful of that.”
She continued: “I didn’t do lots of research into abusive relationships either, instead I just focused on the character, on who she was, how she responded to things, and what I could gauge about how she interacted with people.
📺 Anna Maxwell and Shaun Evans discuss their new show #UntilIKillYou, starting Sunday at 9pm on STV and STV Player. pic.twitter.com/SDt7hn4phn
— STV (@WeAreSTV) November 1, 2024
“Then you go from there and you try to be as accurate as you can in terms of how that person would behave and respond.”
ITV Until I Kill You full cast list
Anna Maxwell Martin as Delia Balmer
Shaun Evans as John Sweeney
Stephanie Street as Janice Rainsworth
Amanda Wilkin as Leah
Sophie Ford as Imelda Dunning
Sallie Harmsen as Astrid De Vries
Lucy Thackeray as WPC Jane Barker
Dean Rehman as Dr Gavin Lane
Mitchell Mullen as Jack Halstead
Jack Franklin as Joshua Wilson
Kevin Doyle as David
Cory English as Stewart Balmer
Steve Edge as DC Collins
Gabriela Toloi as Manuela
Alice Barclay as Mrs Wilson
Clare Foster as Eloise Chapman
Laura Morgan as DC Christine Webb
Matthew Aubrey as DC Flynn
William Brand as Inspector Stilma
Gerald Tyler as Judge
Debbie Brannan as Paula Fields
Clarence Smith as DCI Howard Groves
Zita Sattar as DC Ruth Croft
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When will Until I Kill You be on TV?
Until I Kill You will air its first episode at 9pm on Sunday, November 3 on ITV1.
After that, the remaining three episodes will air in the same timeslot over the following three days concluding on Wednesday, November 6.
All episodes will be available to watch on ITVX once they have aired.