Sienna Miller, an actress known for both her high-profile personal life and her film and television work, is seeking to reshape perceptions of her craft amid a career marked by public scrutiny and typecasting. At 44, Miller continues to embody a blend of effortless style and grounded frankness, while navigating roles that often mirror her real-life media experiences.

Miller’s latest project is the HBO anthology series "War," created by showrunner George Kay. In the series, she plays Carla Duval, a famous actress entangled in a bitter divorce with tech mogul Morgan Henderson, portrayed by Dominic West. The character is a departure from Miller’s own personality; Carla is narcissistic and emotionally detached, standing in stark contrast to Miller’s more empathetic nature. Miller has expressed interest in exploring this complex persona, seeing it as an opportunity to highlight the tension between public image and private pain that often accompanies fame.

Though Miller has portrayed actresses and media figures repeatedly in her career, she has long sought roles that move beyond these confines. “I have no interest now in playing an actress or somebody who has paparazzi,” she said, acknowledging the typecasting she has faced since her early days in the industry.

Miller, who has been acting since her late teens, initially struggled to be taken seriously as a performer amid intense media focus on her personal life, including highly publicized relationships and a battle with intrusive paparazzi, which led to a lawsuit and settlement. Her breakthrough role came with the 2006 film "Factory Girl," which she credits with affirming her confidence in her craft.

Motherhood has also shifted the spotlight around Miller, who gave birth to her first daughter at age 30 while engaged to actor Tom Sturridge. She describes the change as a double-edged sword—offering some reprieve from relentless tabloid attention but also reconfiguring public perception of her identity.

Her recent roles have been more critically recognized, including appearances in films such as "Foxcatcher," "American Sniper," and "21 Bridges," as well as a leading part in the 2022 Netflix limited series "Anatomy of a Scandal." In that series, Miller portrayed a politician’s embattled wife confronting public and private crisis, a role that resonated given her own history with media scrutiny.

During the filming of "War," Miller was navigating late-stage pregnancy, a fact unseen on screen but indicative of her commitment to her work. Creator George Kay emphasized the necessity of casting a genuine film star for the role, praising Miller’s ability to convey both the external poise and internal turmoil of her character.

Dominic West, who has known Miller since they worked together two decades ago, remarked on the evolution of her presence in the industry. He noted a shift from the frenetic atmosphere of her earlier career to a newfound freedom and naturalness in her performances.

Miller is currently balanced between caring for her young children with partner actor Olf Green and continuing her professional pursuits. She is engaged in the upcoming film "Madden," directed by David O. Russell, where she plays part owner of an NFL team—an opportunity she says has renewed her enthusiasm for acting.

Looking ahead, Miller intends to return to the theater and embrace increasingly substantive and challenging roles. While acknowledging that offers to portray media-facing women continue to come, she remains focused on developing her craft and embracing a deepening artistic journey. Despite the complexities of her public and private life, Miller reflects on her current circumstances with a sense of gratitude, underscoring a broader perspective shaped by experience and maturity.