Children of Men (2006)

Set against a backdrop of London torn apart by violence and warring nationalistic sects, Children of Men follows disillusioned bureaucrat Theo (Owen) as he becomes an unlikely champion of Earth's survival. When the planet's last remaining hope is threatened, this reluctant activist is forced to face his own demons and protect her from certain peril.

Directed and co-written by acclaimed filmmaker Alfonso Cuaron (Harry Potter and the Prisoner of Azkaban, Y tu mamá también), Children of Men also stars Julianne Moore as the leader of an underground opposition group and Michael Caine as Jasper.