The Testament of Ann Lee, the acclaimed new film from award-winning writer/director Mona Fastvold ( The World to Come, The Brutalist) tells the true story of Ann Lee, the British-born founder of the devotional sect known as the Shakers. It stars Amanda Seyfried as Lee, a controversial figure who preached gender and social equality, and Lewis Pullman as Lee’s younger brother William, who becomes her biggest evangelist and proselytizer in America.