

Sienna Miller
Sienna Rosie Diana Miller (born December 28, 1981) is an American-born English actress. Born in New York City and raised in London, she began her career as a photography model, appearing in the pages of Italian Vogue and for the 2003 Pirelli calendar. Her acting breakthrough came in the 2004 films Layer Cake and Alfie. She subsequently portrayed socialite Edie Sedgwick in Factory Girl (2006) and author Caitlin Macnamara in The Edge of Love (2008), and was nominated for the 2008 BAFTA Rising Star Award. Her role as The Baroness in G.I. Joe: The Rise of Cobra (2009) was followed by a brief sabbatical from the screen amid increased tabloid scrutiny.
Miller returned to prominence with her role as actress Tippi Hedren in the television film The Girl (2012), for which she was nominated for the BAFTA Television Award for Best Actress and the Golden Globe Award for Best Actress – Miniseries or Television Film. Further critical acclaim followed throughout the 2010s, with appearances in the films Foxcatcher (2014), American Sniper (2014), Mississippi Grind (2015), The Lost City of Z (2016), Live by Night (2016), and American Woman (2018), as well as the miniseries The Loudest Voice (2019).
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Filmography
Raised Eyebrows
TBA · Movie · Erin Fleming
Secret Daughter
TBA · Movie

Madden
2026 · Movie · Carol Davis
9.3WAR
2026 · TV · Carla Duval · 8 ep
6.9Tom Clancy's Jack Ryan: Ghost War
2026 · Movie · Emma Marlow
6.2My Mother's Wedding
2025 · Movie · Victoria
7.6Twiggy
2025 · Movie · Self
6.8Horizon: An American Saga - Chapter 2
2024 · Movie · Frances Kittredge
6.8Horizon: An American Saga - Chapter 1
2024 · Movie · Frances Kittredge

Indomitable
2023 · Movie · Narrator
6.1Extrapolations
2023 · TV · Becca Shearer · 3 ep

Scandalous: Phone Hacking on Trial
2023 · Movie · Self