in Paramount Pictures and Plan B Entertainment's adaptation of The Lost City of Z (2016), directed by James Gray, portraying Nina Fawcett, the wife of British geographer Percy Fawcett. The New York Times found her to be "wonderful" in her role, while Time described her as "luminous and astute". In Ben Affleck's period crime drama Live by Night (also 2016), Miller played the mistress of a notorious gangster and the love interest of a World War I veteran. In 2017, Miller starred in the drama The Private Life of a Modern Woman, which was screened out of competition at the 74th Venice International Film Festival, and in a West End production of the Tennessee Williams classic Cat On A Hot Tin Roof, at the Apollo Theatre. Continued acclaim, 2018–present In 2018, Miller appeared in the war film The Catcher Was a Spy as Estella, the girlfriend of Moe Berg, a catcher for the Boston Red Sox who joined the OSS during World War II, as well as the drama American Woman, in which she portrayed a single mother who is faced with raising her grandson after her daughter goes missing under mysterious circumstances. American Woman, which gave Miller some of the best reviews of her career, was her first role as the main character not bolstered by any other actors, and marked the first time she was able to delve into a woman character's life in "nuanced ways". Miller remarked: "These opportunities have been few and far between, and that's intrinsic to being a woman in film. I think it's quite rare; not necessarily specific to me, but at 37 years old, I'm thrilled I’ve had this opportunity. I've done good supporting work in fantastic films and had to work very hard to show something in smaller moments. I loved being able to have the space and time to really do everything I want to with a character". Miller starred as a narcotics detective in the action film 21 Bridges (2019), alongside Chadwick Boseman. The Guardian felt that the actress was "vocally channelling Edie Falco from The Sopranos", and with a worldwide gross of US$50 million, the film emerged as a moderate commercial success. She next took on the role of Beth Ailes, the wife of television executive Roger Ailes (played by Russell Crowe), in the miniseries The Loudest Voice (also 2019), which aired on Showtime. Miller struggled to find