Brand new six-part series The Undeclared War promises to keep you on the edge on your seat, presenting a cautionary tale set in the near future.

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The new Channel 4 thriller will tell the story of a devastating cyber attack which threatens the UK, with creator Peter Kosminsky saying that this is "a world certain to impact our lives significantly in the years ahead."

The series has a some serious talent behind it, with Hannah Khalique-Brown, Adrian Lester, Simon Pegg, Mark Rylance and more, and is made up of six nail-biting episodes.

Channel 4 previously teased plans for a "bold" advertising campaign for the new series, before releasing chilling teaser trailers featuring Adrian Lester in character as the Prime Minister and addressing the nation.

Read on for everything you need to know about The Undeclared War.

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When is The Undeclared War release date?

Adrian Lester as Andrew Makinde in The Undeclared War.
Adrian Lester as Andrew Makinde in The Undeclared War.

The six-part series Undeclared War will start at 9pm on 30th June 2022 on Channel 4.

What is The Undeclared War about?

Hannah Khalique-Brown (Saara) and Joss Porter (Phil) in The Undeclared War
Hannah Khalique-Brown (Saara) and Joss Porter (Phil) in The Undeclared War Channel 4

The official synopsis for the series says: "Set in 2024, The Undeclared War tracks a leading team of analysts buried in the heart of GCHQ, secretly working to ward off a series of cyber-attacks on the UK in the run up to a general election. When a routine stress test of internet infrastructure goes awry 21-year-old GCHQ intern Saara Parvin (played by Hannah Khalique-Brown) suddenly finds herself operating on the invisible frontier of high-stakes cyber warfare.

"In a thrilling cat and mouse game, Saara and the team at GCHQ must try to stay one step ahead and anticipate their opponents every hidden move. The clock is ticking as a battle with high stakes and unpredictable enemies takes place entirely online, with very real consequences. But how do you win a war most of the public don’t know you’re fighting?"

Channel 4 has said that the series is a result of meticulous research by creator Peter Kosminsky, who in a statement said: “The Undeclared War has been many years in the making. It imagines how the next few years might play out in the domain of cyber warfare – a battle unseen by the public but with potentially devastating consequences.

"In my work, I’ve tried to shine a light on aspects of public policy which affect us all but where the details of what is taking place, often behind the scenes, are not well understood. I hope this drama will give audiences an insight into a world certain to impact our lives significantly in the years ahead."

The Undeclared War cast

Adrian Lester (Andrew), Hannah Khalique-Brown (Saara) & Simon Pegg (Danny) in The Undeclared War
Adrian Lester (Andrew), Hannah Khalique-Brown (Saara) & Simon Pegg (Danny) in The Undeclared War Channel 4

As mentioned above, stars Adrian Lester and Simon Pegg lead the cast of The Undeclared War. Lester portrays Prime Minister Rt Hon Andrew Makinde, while Pegg's role is as Daniel Patrick, Head of Operations at GCHQ. The pair are instrumental in warning the UK of the imminent cyber attack.

Viewers most recently saw Lester in ITV drama Trigger Point, while Pegg is well-known for his film career in classics such as Shaun of the Dead.

Starring alongside them are Hannah Khalique-Brown as Saara Parvin, the audience surrogate who introduces us to the world of GCHQ. Meanwhile, additional cast includes Maisie Richardson-Sellers, Alex Jennings, Mark Rylance and Kerry Godliman.

The Undeclared War trailer

On 10th June, Channel 4 released a first look at The Undeclared War with a 100-second clip. The trailer shows Pegg and Lester's characters delivering sombre speeches, informing the public that amidst the seriousness of the situation, their safety is vital. They also warned people not to panic buy - now where have we heard that before?

There's a haunting tone to their message, and the early glimpse of The Undeclared War certainly sets a strong precedent for what we can expect...

The Undeclared War will start at 9pm on 30th June 2022 on Channel 4. Looking for something else to watch? Check out our TV Guide or visit our dedicated Drama hub for the latest news.

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