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