First look images show Connor Swindells, Jack O'Connell, Sofia Boutella and Dominic West in action in SAS: Rogue Heroes, the new drama from Peaky Blinders creator Steven Knight - who has promised fans a 'war story like no other'.
The BBC confirmed filming has now wrapped on the six-part series, which is due to air in 2022.
Filmed on location in the UK and Morocco, it details the formation of the world's greatest Special Forces unit, the SAS, which was created under extraordinary circumstances during WWII.
A synopsis says: "Cairo, 1941. David Stirling (Connor Swindells) - an eccentric young officer, hospitalised after a training exercise went wrong - is bored. Convinced that traditional commando units don't work, he creates a radical plan that flies in the face of all accepted rules of modern warfare.
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"He fights for permission to recruit the toughest, boldest and brightest soldiers for a small undercover unit that will create mayhem behind enemy lines.
"More rebels than soldiers, Stirling's team are every bit as complicated, flawed and reckless as they are astonishingly brave and heroic."
Speaking to LADbible, Swindells revealed what we can expect from the series - and what it had been like filming in the intensity of Morocco's 50-degree heat.
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"It's a BBC series about how the SAS was formed in World War II in North Africa," he explained.
"I play David Stirling, who was one of the founding members - the most well-known founding member - of the SAS.
"And it's a story about a sort of ragtag team of young pirates who took matters into their own hands during World War II because they felt that the powers that be weren't capable themselves.
"So it's an amazing project. It's got fantastic cast - Alfie Allen, Jack O'Connell, Dominic West, Sofia Boutella - it's fantastic.
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"It was an incredible experience out in Morocco. It damn near killed me and everyone, it was 50 degrees. It was crazy, but it was an amazing experience and it looks fantastic.
"So yes, I'm very excited for people to see that."
Along with Swindells, SAS: Rogue Heroes also features Jack O'Connell, Alfie Allen, Sofia Boutella and Dominic West, along with the newly-announced Jason Watkins and Tom Glynn-Carney.
In a statement, writer and executive producer Knight promised viewers a war epic 'like no other'.
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He said: "It has been a privilege to work on a project which tells the story of a renegade band of soldiers who used wit and imagination as much as firepower to halt the march of Fascism across North Africa during the darkest days of World War Two.
"This is a war story like no other, told in a way that is at once inspired by the facts and true to the spirit of this legendary brigade of misfits and adventurers."
Featured Image Credit: BBCTopics: Entertainment, TV and Film, WWII