In the action-packed Netflix film "The Old Guard," Charlize Theron stars as Andromache of Scythia, also known as Andy, the centuries-old leader of a group of immortal mercenaries. Burdened by the weight of their long lives and the moral complexities of their actions, Andy and her team fight to protect humanity while grappling with the dangers of their immortality being exposed. Theron delivers a compelling performance, showcasing both her physical prowess in intense fight sequences and the emotional depth of a weary warrior struggling with her purpose. The film explores themes of mortality, purpose, and the burden of living forever, with Theron's Andy at its center.