Amanda Michelle Seyfried ( SY-fred; born December 3, 1985) is an American actress. Her accolades include a Golden Globe Award and a Primetime Emmy Award, as well as a nomination for an Academy Award. Named one of the 100 most influential people in the world by Time in 2022, her films as a leading actress have grossed over $2.4 billion worldwide. Seyfried began acting at age 15, with recurring roles on the soap operas As the World Turns and All My Children. She made her film debut with her role as Karen Smith in the cult classic teen comedy Mean Girls (2004). Her profile continued to grow with leading roles in Mamma Mia! (2008), Jennifer's Body (2009), Dear John (2010), In Time (2011), Ted 2 (2015), and The Housemaid (2025). She earned critical acclaim for her performances as Cosette in Les Misérables (2012), Linda Lovelace in Lovelace (2013), Mary Mensana in First Reformed (2017), and Ann Lee in The Testament of Ann Lee (2025). For her portrayal of Marion Davies in the biographical drama Mank (2020), she received a nomination for the Academy Award for Best Supporting Actress. On television, Seyfried found further success by portraying Sarah Henrickson in HBO's Big Love (2006–2011) and Elizabeth Holmes in the Hulu limited series The Dropout (2022), winning the Golden Globe and Primetime Emmy Award for Outstanding Lead Actress for the latter. She has since led the Apple TV psychological thriller The Crowded Room (2023) and the Peacock crime drama Long Bright River (2025).