b. 1981 · New York City, New York, USA
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).
Born 28 Dec 1981
War
2026
Carla Duval
Tom Clancy's Jack Ryan: Ghost War
2026
Emma Marlow · Emma Marlowe
Madden
2026
Carol Davis
My Mother's Wedding
2025
Victoria
Horizon: An American Saga - Chapter 1
2024
Frances Kittredge
Horizon: An American Saga - Chapter 2
2024
Frances Kittredge
Anatomy of a Scandal
2022
Sophie Whitehouse
Chivalry
2022
Lark
Wander Darkly
2020
Adrienne
21 Bridges
2019
Frankie Burns
The Loudest Voice
2019
Elizabeth 'Beth' Ailes
American Woman
2018
Deb Callahan