Spring, 1943. Paddy Mayne takes control of the SAS following David Stirling's capture, as attention turns from the conflict in North Africa to mainland Europe. But GHQ have cast doubt over the future of the regiment, while the creation of a second unit and an influx of new arrivals make things even more difficult for the men. Can they prove that the SAS remains essential to the war, wherever it may lead them?

• Alfie Allen
• Connor Swindells
• Jack O'Connell
• Sofia Boutella
• Dominic West
• Corin Silva
• Theo Barklem-Biggs
• Tom Glynn-Carney