Sienna Miller
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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).
Known for
Credits
Tom Clancy's Jack Ryan: Ghost War (2026)
as Emma Marlowe
American Sniper (2014)
as Taya Renae Kyle
Stardust (2007)
as Victoria
G.I. Joe: The Rise of Cobra (2009)
as Ana Lewis / Baroness
The Lost City of Z (2017)
as Nina Fawcett
Horizon: An American Saga - Chapter 1 (2024)
as Frances Kittredge
Layer Cake (2004)
as Tammy
Live by Night (2016)
as Emma Gould
Unfinished Business (2015)
as Chuck Portnoy
Casanova (2005)
as Francesca
My Mother's Wedding (2025)
as Victoria
Foxcatcher (2014)
as Nancy Schultz
Burnt (2015)
as Helene
21 Bridges (2019)
as Frankie Burns
The Catcher Was a Spy (2018)
as Estella Huni
The Edge of Love (2008)
as Caitlin MacNamara
High-Rise (2015)
as Charlotte Melville
Alfie (2004)
as Nikki
Factory Girl (2006)
as Edie Sedgwick
Wander Darkly (2020)
as Adrienne
Madden (2026)
as Carol Davis
Horizon: An American Saga - Chapter 2 (2024)
as Frances Kittredge
The Girl (2012)
as Tippi Hedren
A Case of You (2013)
as Sarah Schipper
Mississippi Grind (2015)
as Simone
American Woman (2018)
as Deb Callahan
Camille (2008)
as Camille Foster
Yellow (2014)
as Xanne
Die Clint Eastwood Story (2018)
as Self
The Mysteries of Pittsburgh (2008)
as Jane Bellwether
Secret Daughter (—)
Actor
Interview (2007)
as Katya
The September Issue (2009)
as Self
Just Like a Woman (2013)
as Marilyn
An Imperfect Murder (2017)
as Vera Lockman
South Kensington (2001)
as Sharon
Nous York (2012)
as The Movie Star
Twiggy (2025)
as Self
So Good to See You (2016)
as Frances
2 Jacks (2012)
as Diana
Indomitable (2023)
as Narrator
National Theatre Live: Cat on a Hot Tin Roof (2018)
as Maggie
War & Grace (2020)
as Narrator
One Soldier's Story: The Journey of American Sniper (2015)
as Self
Raised Eyebrows (—)
as Erin Fleming
The Tale of Thomas Burberry (2016)
as Sara
The Making of 'American Sniper' (2015)
as Self
Scandalous: Phone Hacking on Trial (2023)
as Self