Sienna Miller

Acting

Sienna Miller

28 December 1981 (age 44)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).

Known For

Tom Clancy's Jack Ryan: Ghost War

Tom Clancy's Jack Ryan: Ghost War

2026

American Sniper

American Sniper

2014

G.I. Joe: The Rise of Cobra

G.I. Joe: The Rise of Cobra

2009

Stardust

Stardust

2007

Madden

Madden

2026

The Lost City of Z

The Lost City of Z

2017

Layer Cake

Layer Cake

2004

Horizon: An American Saga - Chapter 1

Horizon: An American Saga - Chapter 1

2024

21 Bridges

21 Bridges

2019

Burnt

Burnt

2015

My Mother's Wedding

My Mother's Wedding

2025

Live by Night

Live by Night

2016