Endeavour lead to star as spy in new ITV thriller

Shaun Evans in a dark suit looks pensive in Endeavour
Shaun Evans in Endeavour. (Image credit: Mammoth/ITV)

ITV has commissioned a new espionage thriller which will be set in the clandestine world of MI5 and star Endeavor, Until I Kill You and Vigil star Shaun Evans. 

The new drama, Betrayal, will see Shaun's character, John Hughes, working as a spy, trying to avert a serious and dark threat to national security while making sense of his own place in the world. 

Despite being at MI5 for the past 20 years, John is now in his mid-40s, married with two children and struggling to adapt to the new ways at work, where threats to national security have changed and he’s forced to adapt to the values of a progressive work environment.  

Revealing more of the plot, ITV says: "On a hunch, John meets Ehsan, a British Iranian man with links to the Manchester gangland who claims he has intelligence about a plot on UK soil, but before he can share intel, Ehsan is executed by a lone gunman, and John impulsively kills the assassin in retaliation. This triggers a chain of events that puts John in direct collision with his superiors who are furious that he appears to have got involved in a Manchester gang turf war. 

"John thinks there's more to it than that and starts digging into Ehsan’s past. He knows he’ll have to redeem himself if he’s to save his career, reputation and marriage, all the while struggling with his own mental health after having killed a man."

As well as starring in Betrayal, Shaun, who is best loved for his role as Inspector Morse in Envevour, will also be behind the camera working as a producer on the show. 

Filming for the new thriller is set to start in early 2025, and comes from the same team behind many ITV dramas including The Tower season 3 which aired earlier this month.

Speaking of his new role both in front and behind the camera, Shaun said: "I’m delighted to be returning to ITV with this exceptionally well-written and timely project. It’s a great privilege to reunite with David Eldridge and bring to life his insightful take on the world of espionage. And it is of course a joy to be collaborating once again with the first-rate team at Mammoth Screen. I look forward to sharing it with ITV audiences soon."

Until I Kill You ITV drama Anna Maxwell Martin with Shaun Evans

Shaun will star in Until I Kill You with Anna Maxwell Martin. (Image credit: ITV)

Shaun is a man in demand because it was also announced earlier this year that he would be starring alongside Motherland's Anna Maxwell Martin in Until I Kill You - a new true crime drama heading for ITV later this year. 

The four-parter tells the remarkable story of Delia Balmer, who survived a near-fatal relationship with murderer John Sweeney and is based on her book of the same name. 

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Claire Crick
Assistant Managing Editor at What To Watch

Claire is Assistant Managing Editor at What To Watch and has been a journalist for over 15 years, writing about everything from soaps and TV to beauty, entertainment, and even the Royal Family. After starting her career at a soap magazine, she ended up staying for 13 years, and over that time she’s pulled pints in the Rovers Return, sung karaoke in the Emmerdale village hall, taken a stroll around Albert Square, and visited Summer Bay Surf Club in sunny Australia. 

After learning some tricks of the trade at websites Digital Spy, Entertainment Daily, and Woman & Home, Claire landed a role at What’s On TV and whattowatch.com writing about all things TV and film, with a particular love for Aussie soaps, Strictly Come Dancing and Bake Off

She’s interviewed everyone from June Brown — AKA Dot Cotton — to Michelle Keegan, swapped cooking tips with baking legend Mary Berry backstage at the NTAs, and danced the night away with soap stars at countless awards bashes. There’s not a lot she doesn’t know about soaps and TV and can be very handy when a soapy question comes up in a pub quiz! 

As well as all things soap-related, Claire also loves running, spa breaks, days out with her kids, and getting lost in a good book.