Winter on ITV1: Start date confirmed of 'captivating' crime drama starring Richard Armitage and Annabel Scholey as a 'gifted pathologist' and 'no-nonsense DI'

A 'wholly original' forensic show
Helen Fear

Winter is coming soon to ITV, and the new crime drama combines two of our favourite things – Richard Armitage looking steely and mysterious, with a compelling police procedural.

Described as a “captivating” new series, it positions fan favourite Richard in the leading role as Dr Ethan Winter. He’s an “unconventional forensic pathologist whose brilliance, sharp intellect and rule-breaking approach helps the police solve some of the most complex murder cases”.

Yes, readers, he’s a maverick. Even better, he has a deeply-buried secret that none of his colleagues know about… What more could you want from a crime drama?!

Here’s everything you need to know about Winter on ITV, including the plot, cast, start date, and number of episodes.

RICHARD ARMITAGE as Ethan Winter and CARLOTTA BANAT as Simone Edwards in Winter
Richard Armitage as Ethan Winter and Carlotta Banat as Simone Edwards in Winter (Credit: ITV) 

What is Winter on ITV about?

ITV’s Winter introduces Dr Ethan Winter, one of the most gifted pathologists of his generation.

He possesses an “extraordinary analytical mind”, which is capable of “impeccable deductive reasoning”. Ethan uses his brilliant mind to help police solve some of the Bristol’s most complex murder cases.

His methods “perfectly complement” those of DI Lauren Bell. She’s a meticulous, no-nonsense detective who is as driven as Winter when working on a case. Together they make a formidable team, as “Winter’s genius and insight into the victims is invaluable to Bell and her murder squad detectives”.

Yet viewers eventually discover that Winter is harbouring a secret… The ITV synopsis tells us: “The unsolved murder of someone close to him still haunts his every move. And he’s intent on unofficially investigating the death to bring the murderer to justice. This personal thread runs beneath the six-part series, with each episode featuring its own compelling, self-contained crime story.”

How many episodes is it?

Winter is a six-part police procedural drama. Each episode will be an hour long, including adverts.

David Allison (The Couple Next Door) and Mark Greig (Ashes to Ashes) adapted the series for television.

JAMIE KENNA as Ellis Daldry,ANNABEL SCHOLEY as Lauren Bell in Winter
Jamie Kenna as Ellis Daldry, and Annabel Scholey as Lauren Bell (Credit: ITV)

Who is in the cast of Winter on ITV?

Richard Armitage stars as gifted pathologist Dr Ethan Winter in the cast of Winter on ITV. Of course, the actor is known for his role in multiple Harlan Coben thrillers, as well as playing Guy of Gisborne in Robin Hood, Daniel Miller in Berlin Storm, and Lucas North in Spooks. 

On joining the crime drama, the actor said: “The team behind Winter are second to none and the ambition of David Allison’s scripts is very exciting and will attempt to shake up the genre that we’ve grown to love. Ethan Winter is a compelling character treading the line between diligent professional and reckless maverick. He has a painful secret and a fatalistic self-destruct button over which his finger constantly hovers. I’m thrilled to be returning to ITV.”

Annabel Scholey portrays DI Lauren Bell in the cast. She is probably best known for playing Nina Defoe in The Split, and Beatie in Rivals. But, more recently, she’s carved out quite the career in twisty thrillers including The Couple Next Door, Dead and Buried, The Serial Killer’s Wife, and The Sixth Commandment.

She told us: “I am thrilled to be joining ITV and Eagle Eye Drama as part of the Winter team, and to be working alongside the brilliant Richard Armitage on these fantastic scripts. Our characters’ tempestuous relationship will be a total thrill to explore, and I am excited to step into the wonderfully dry shoes of DI Lauren Bell.”

Who else is in the cast?

Further casting announced include:

  • Jamie Kenna, aka Coronation Street’s Phill Whittaker.
  • Fifteen-Love’s Carlotta Banat.
  • In the Room’s Josh Barrow.
  • Surface’s Adwoa Akoto.
  • Prime Suspect 1973’s Jay Taylor.
  • Ridley’s Rishi Rian.
  • Man Down’s Deirdre Mullins.
  • Mammoth’s Ellis Elijah.
  • Aberfan: The Green Hollow’s Evie Coles.
Richard Armitage and Annabel Scholey attend read through of Winter
Richard Armitage and Annabel Scholey attended the first read through of Winter (Credit: ITV)

‘A wholly original addition to the genre’

Drama Commissioner Callum Dziedzic added: “Richard brings such soulful power to Winter, anchoring David and Mark’s scripts, which masterfully blend the science, mystery and emotion audiences love in forensic shows. I know Walter and his team will bring it to life with their trademark beauty, making this a wholly original addition to the genre.”

He added: “Winter has the unique combination of compelling mysteries and human drama that audiences crave.”

What is Winter on ITV based on?

The series is based on the television series Balthazar, created by Clothilde Jamin and Clélia Constantine and produced by Beaubourg Stories.

Balthazar is a French crime-thriller drama series that aired between 2018 and 2023. In the show, new police commander Hélène Bach must learn to work with the brilliant yet exasperating Raphaël, who can make the dead speak like no-one else. Together, they face a series of complex murder cases.

All five seasons of Balthazar are currently available to watch on ITVX.

ANNABEL SCHOLEY as Lauren Bell and JAY TAY;OR as Anthony Marlowe in Winter
Annabel Scholey as Lauren Bell and Jay Taylor as Anthony Marlowe (Credit: ITV)

When is the start date?

Winter will arrive on ITV1 on Wednesday, September 30, 2026 at 9pm. It will drop as a boxset on that day, too.

Winter will air on ITV and STV and subsequently be available for streaming on ITVX and STV Player. Meanwhile, US viewers will be able to watch on Masterpiece.

In January 2026, ITV released a new picture (see above) of Richard Armitage and Annabel Scholey attending a read-through of Winter. The read-through – where the cast read out their lines to each other – took place in London (Thursday, January 08, 2026).

Winter filming locations

Set in Bristol, the series filmed in early February 2026 in Bristol and Belgium.

Like TV thrillers such as Girl Taken, and The Game, the series will be set in the UK, but mostly filmed abroad.

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Winter will arrive on ITV1 on Wednesday, September 30, 2026 at 9pm. It will drop as a boxset on that day, too.