Helen Mirren
Helen Mirren stars as Colonel Katherine Powell, a military intelligence officer in the United Kingdom's military. Like her character, Mirren was born in London, England, in the United Kingdom to working-class parents. Known for her roles in the RED series, Hitchcock, The Queen, and Gosford Park, Mirren won an Oscar for Best Leading Actress for her role in The Queen (2006) as the Queen.
Alan Rickman
Alan Rickman stars as Lieutenant General Frank Benson of the Royal Marines/the Deputy Chief of the Defense Staff. Rickman was born in London, England, in the United Kingdom to working class parents. Although Rickman worked extensively in the theater and in film, he is perhaps best-known for his work in film. Best known for his roles in Die Hard and the Harry Potter series as Professor Snape, Alan Rickman is one of the most well-regarded actors of his generation.
Aaron Paul
Born in Idaho in the United States, Aaron Paul stars as 2nd Lt. Steve Watts, the member of the United States Air Force who pilots the drone of concern in the film. Although best-known for his role as Jesse Pinkman in the Breaking Bad television universe, Paul has also starred in the Westworld television series and the Need for Speed film adaption of the popular game, among many other films and T.V. series.
Barkhad Abdi
Barkhad Abdi stars as Jama Farah, an undercover Kenyan National Intelligence Service agent. Born in Somalia, Abdi found success after his role in the 2013 film Captain Phillips, for which he was nominated for an Oscar for Best Supporting Actor. Since his role in Captain Phillips, Abdi has starred in films like Blade Runner 2049 and Good Time.