By Devan Coggan
May 23, 2016 at 04:30 PM EDT
Graeme Hunter

Brian Cox is stepping into the shoes of Britain’s most famous wartime prime minister.

Principal photography has officially begun on Jonathan Teplitzsky’s upcoming drama Churchill, and Salon Pictures released the first image of Cox as the complicated politician on Monday. The film follows Winston Churchill in the 48 hours leading up to D-Day in 1944, as he struggles to balance the impending assault, clashes between his military leaders, and his own personal issues.

“I am looking forward to bringing this iconic but complex figure to life,” Cox said in a statement. “It’s the role of a lifetime for me and I’m so pleased to be taking this journey with both Jonathan and our great cast.”

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Shooting now in Scotland, Churchill also stars Miranda Richardson as Churchill’s wife Clemmie, John Slattery as General Dwight D. Eisenhower, James Purefoy as King George VI, and Ella Purnell as the prime minister’s secretary.

British historian Alex von Tunzelmann penned the script, making her feature debut.